Overview

This notebook gives a general overview of the features included in the dataset.

Show imports Hide imports

%load_ext autoreload
%autoreload 2
import os

import dimcat as dc
import pandas as pd
import plotly.express as px
from dimcat import filters, plotting
from IPython.display import display

import utils

RESULTS_PATH = os.path.abspath(os.path.join(utils.OUTPUT_FOLDER, "overview"))
os.makedirs(RESULTS_PATH, exist_ok=True)


def make_output_path(
    filename: str,
    extension=None,
    path=RESULTS_PATH,
) -> str:
    return utils.make_output_path(filename=filename, extension=extension, path=path)


def save_figure_as(
    fig, filename, formats=("png", "pdf"), directory=RESULTS_PATH, **kwargs
):
    if formats is not None:
        for fmt in formats:
            plotting.write_image(fig, filename, directory, format=fmt, **kwargs)
    else:
        plotting.write_image(fig, filename, directory, **kwargs)

Loading data

D = utils.get_dataset("mahler_kindertotenlieder", corpus_release="v3.2")
package = D.inputs.get_package()
package_info = package._package.custom
git_tag = package_info.get("git_tag")
utils.print_heading("Data and software versions")
print("Gustav Mahler – Kindertotenlieder version v3.2")
print(f"Datapackage '{package.package_name}' @ {git_tag}")
print(f"dimcat version {dc.__version__}\n")
D

Data and software versions
--------------------------

Gustav Mahler – Kindertotenlieder version v3.2
Datapackage 'mahler_kindertotenlieder' @ v3.2
dimcat version 3.4.0

Dataset
=======
{'inputs': {'basepath': None,
            'packages': {'mahler_kindertotenlieder': ["'mahler_kindertotenlieder.measures' "
                                                      '(MuseScoreFacetName.MuseScoreMeasures)',
                                                      "'mahler_kindertotenlieder.notes' "
                                                      '(MuseScoreFacetName.MuseScoreNotes)',
                                                      "'mahler_kindertotenlieder.expanded' "
                                                      '(MuseScoreFacetName.MuseScoreHarmonies)',
                                                      "'mahler_kindertotenlieder.chords' "
                                                      '(MuseScoreFacetName.MuseScoreChords)',
                                                      "'mahler_kindertotenlieder.metadata' (FeatureName.Metadata)"]}},
 'outputs': {'basepath': None, 'packages': {}},
 'pipeline': []}

filtered_D = filters.HasHarmonyLabelsFilter(keep_values=[True]).process(D)
all_metadata = filtered_D.get_metadata()
assert len(all_metadata) > 0, "No pieces selected for analysis."
all_metadata

		TimeSig	KeySig	last_mc	last_mn	length_qb	last_mc_unfolded	last_mn_unfolded	length_qb_unfolded	volta_mcs	all_notes_qb	...	musicbrainz	viaf	imslp	pdf	staff_1_ambitus	staff_1_instrument	staff_2_ambitus	staff_2_instrument	staff_3_ambitus	staff_3_instrument
corpus	piece
mahler_kindertotenlieder	kindertotenlieder_01_nun_will_die_sonn	{1: '4/4'}	{1: -1}	85	84	337.0	85	84	337.0	()	1064.5	...	https://musicbrainz.org/work/57153896-db88-33d...	https://viaf.org/viaf/177009360/	https://imslp.org/wiki/Kindertotenlieder_(Mahl...	https://imslp.org/wiki/Special:ReverseLookup/2...	62-75 (D4-Eb5)	Voice	38-87 (D2-Eb6)	Grand Piano	26-74 (D1-D5)	Grand Piano
	kindertotenlieder_02_nun_seh_ich_wohl	{1: '4/4', 37: '3/2', 38: '4/4', 69: '2/4', 70...	{1: -3, 15: 0, 22: -3, 29: 0, 41: 2, 49: -2, 6...	74	74	296.0	74	74	296.0	()	1209.0	...	https://musicbrainz.org/work/3ad25002-5ae4-30d...	https://viaf.org/viaf/177009360/	https://imslp.org/wiki/Kindertotenlieder_(Mahl...	https://imslp.org/wiki/Special:ReverseLookup/2...	57-77 (A3-F5)	Voice	53-76 (F3-E5)	Grand Piano	24-74 (C1-D5)	Grand Piano
	kindertotenlieder_03_wenn_dein_mutterlein	{1: '4/4', 8: '3/2', 10: '4/4', 16: '3/2', 27:...	{1: -3}	70	70	348.0	70	70	348.0	()	1368.5	...	https://musicbrainz.org/work/7eb5f71b-1910-301...	https://viaf.org/viaf/177009360/	https://imslp.org/wiki/Kindertotenlieder_(Mahl...	https://imslp.org/wiki/Special:ReverseLookup/2...	55-77 (G3-F5)	Voice	55-86 (G3-D6)	Grand Piano	29-69 (F1-A4)	Grand Piano
	kindertotenlieder_04_oft_denk_ich	{1: '2/2', 9: '3/2', 10: '2/2', 15: '3/2', 16:...	{1: -3}	72	71	297.0	72	71	297.0	()	1156.5	...	https://musicbrainz.org/work/2050abcb-abb0-35a...	https://viaf.org/viaf/177009360/	https://imslp.org/wiki/Kindertotenlieder_(Mahl...	https://imslp.org/wiki/Special:ReverseLookup/2...	58-78 (Bb3-Gb5)	Voice	54-86 (Gb3-D6)	Grand Piano	34-77 (Bb1-F5)	Grand Piano
	kindertotenlieder_05_in_diesem_wetter	{1: '4/4'}	{1: -1, 99: 2}	139	139	556.0	139	139	556.0	()	2395.0	...	https://musicbrainz.org/work/cc00e04d-eb29-3f4...	https://viaf.org/viaf/177009360/	https://imslp.org/wiki/Kindertotenlieder_(Mahl...	https://imslp.org/wiki/Special:ReverseLookup/2...	58-77 (Bb3-F5)	Voice	48-93 (C3-A6)	Grand Piano	26-80 (D1-G#5)	Grand Piano

5 rows × 59 columns

mean_composition_years = utils.corpus_mean_composition_years(all_metadata)
chronological_order = mean_composition_years.index.to_list()
corpus_colors = dict(zip(chronological_order, utils.CORPUS_COLOR_SCALE))
corpus_names = {
    corp: utils.get_corpus_display_name(corp) for corp in chronological_order
}
chronological_corpus_names = list(corpus_names.values())
corpus_name_colors = {
    corpus_names[corp]: color for corp, color in corpus_colors.items()
}

mean_composition_years

corpus
mahler_kindertotenlieder    1902.5
Name: mean_composition_year, dtype: float64

Composition dates

This section relies on the dataset’s metadata.

valid_composed_start = pd.to_numeric(all_metadata.composed_start, errors="coerce")
valid_composed_end = pd.to_numeric(all_metadata.composed_end, errors="coerce")
print(
    f"Composition dates range from {int(valid_composed_start.min())} {valid_composed_start.idxmin()} "
    f"to {int(valid_composed_end.max())} {valid_composed_end.idxmax()}."
)

Composition dates range from 1901 ('mahler_kindertotenlieder', 'kindertotenlieder_01_nun_will_die_sonn') to 1904 ('mahler_kindertotenlieder', 'kindertotenlieder_01_nun_will_die_sonn').

Mean composition years per corpus

def make_summary(metadata_df):
    piece_is_annotated = metadata_df.label_count > 0
    return metadata_df[piece_is_annotated].copy()

Show source Hide source

summary = make_summary(all_metadata)
bar_data = pd.concat(
    [
        mean_composition_years.rename("year"),
        summary.groupby(level="corpus").size().rename("pieces"),
    ],
    axis=1,
).reset_index()

N = len(summary)
fig = px.bar(
    bar_data,
    x="year",
    y="pieces",
    color="corpus",
    color_discrete_map=corpus_colors,
    title=f"Temporal coverage of the {N} annotated pieces in the Distant Listening Corpus",
)
fig.update_traces(width=5)
fig.update_layout(**utils.STD_LAYOUT)
fig.update_traces(width=5)
save_figure_as(fig, "pieces_timeline_bars")
fig.show()

summary

		TimeSig	KeySig	last_mc	last_mn	length_qb	last_mc_unfolded	last_mn_unfolded	length_qb_unfolded	volta_mcs	all_notes_qb	...	musicbrainz	viaf	imslp	pdf	staff_1_ambitus	staff_1_instrument	staff_2_ambitus	staff_2_instrument	staff_3_ambitus	staff_3_instrument
corpus	piece
mahler_kindertotenlieder	kindertotenlieder_01_nun_will_die_sonn	{1: '4/4'}	{1: -1}	85	84	337.0	85	84	337.0	()	1064.5	...	https://musicbrainz.org/work/57153896-db88-33d...	https://viaf.org/viaf/177009360/	https://imslp.org/wiki/Kindertotenlieder_(Mahl...	https://imslp.org/wiki/Special:ReverseLookup/2...	62-75 (D4-Eb5)	Voice	38-87 (D2-Eb6)	Grand Piano	26-74 (D1-D5)	Grand Piano
	kindertotenlieder_02_nun_seh_ich_wohl	{1: '4/4', 37: '3/2', 38: '4/4', 69: '2/4', 70...	{1: -3, 15: 0, 22: -3, 29: 0, 41: 2, 49: -2, 6...	74	74	296.0	74	74	296.0	()	1209.0	...	https://musicbrainz.org/work/3ad25002-5ae4-30d...	https://viaf.org/viaf/177009360/	https://imslp.org/wiki/Kindertotenlieder_(Mahl...	https://imslp.org/wiki/Special:ReverseLookup/2...	57-77 (A3-F5)	Voice	53-76 (F3-E5)	Grand Piano	24-74 (C1-D5)	Grand Piano
	kindertotenlieder_03_wenn_dein_mutterlein	{1: '4/4', 8: '3/2', 10: '4/4', 16: '3/2', 27:...	{1: -3}	70	70	348.0	70	70	348.0	()	1368.5	...	https://musicbrainz.org/work/7eb5f71b-1910-301...	https://viaf.org/viaf/177009360/	https://imslp.org/wiki/Kindertotenlieder_(Mahl...	https://imslp.org/wiki/Special:ReverseLookup/2...	55-77 (G3-F5)	Voice	55-86 (G3-D6)	Grand Piano	29-69 (F1-A4)	Grand Piano
	kindertotenlieder_04_oft_denk_ich	{1: '2/2', 9: '3/2', 10: '2/2', 15: '3/2', 16:...	{1: -3}	72	71	297.0	72	71	297.0	()	1156.5	...	https://musicbrainz.org/work/2050abcb-abb0-35a...	https://viaf.org/viaf/177009360/	https://imslp.org/wiki/Kindertotenlieder_(Mahl...	https://imslp.org/wiki/Special:ReverseLookup/2...	58-78 (Bb3-Gb5)	Voice	54-86 (Gb3-D6)	Grand Piano	34-77 (Bb1-F5)	Grand Piano
	kindertotenlieder_05_in_diesem_wetter	{1: '4/4'}	{1: -1, 99: 2}	139	139	556.0	139	139	556.0	()	2395.0	...	https://musicbrainz.org/work/cc00e04d-eb29-3f4...	https://viaf.org/viaf/177009360/	https://imslp.org/wiki/Kindertotenlieder_(Mahl...	https://imslp.org/wiki/Special:ReverseLookup/2...	58-77 (Bb3-F5)	Voice	48-93 (C3-A6)	Grand Piano	26-80 (D1-G#5)	Grand Piano

5 rows × 59 columns

Composition years histogram

Show source Hide source

hist_data = summary.reset_index()
hist_data.corpus = hist_data.corpus.map(corpus_names)
fig = px.histogram(
    hist_data,
    x="composed_end",
    color="corpus",
    labels=dict(
        composed_end="decade",
        count="pieces",
    ),
    color_discrete_map=corpus_name_colors,
    title=f"Temporal coverage of the {N} annotated pieces in the Distant Listening Corpus",
)
fig.update_traces(xbins=dict(size=10))
fig.update_layout(**utils.STD_LAYOUT)
fig.update_legends(font=dict(size=16))
save_figure_as(fig, "pieces_timeline_histogram", height=1250)
fig.show()

Dimensions

Overview

def make_overview_table(groupby, group_name="pieces"):
    n_groups = groupby.size().rename(group_name)
    absolute_numbers = dict(
        measures=groupby.last_mn.sum(),
        length=groupby.length_qb.sum(),
        notes=groupby.n_onsets.sum(),
        labels=groupby.label_count.sum(),
    )
    absolute = pd.DataFrame.from_dict(absolute_numbers)
    absolute = pd.concat([n_groups, absolute], axis=1)
    sum_row = pd.DataFrame(absolute.sum(), columns=["sum"]).T
    absolute = pd.concat([absolute, sum_row])
    return absolute


absolute = make_overview_table(summary.groupby("workTitle"))
# print(absolute.astype(int).to_markdown())
absolute.astype(int)

	pieces	measures	length	notes	labels
Kindertotenlieder	5	438	1834	5582	595
sum	5	438	1834	5582	595

def summarize_dataset(D):
    all_metadata = D.get_metadata()
    summary = make_summary(all_metadata)
    return make_overview_table(summary.groupby(level=0))


corpus_summary = summarize_dataset(D)
print(corpus_summary.astype(int).to_markdown())

|                          |   pieces |   measures |   length |   notes |   labels |
|:-------------------------|---------:|-----------:|---------:|--------:|---------:|
| mahler_kindertotenlieder |        5 |        438 |     1834 |    5582 |      595 |
| sum                      |        5 |        438 |     1834 |    5582 |      595 |

Measures

all_measures = D.get_feature("measures")
print(
    f"{len(all_measures.index)} measures over {len(all_measures.groupby(level=[0,1]))} files."
)
all_measures.head()

440 measures over 5 files.

			mc	mn	quarterbeats	duration_qb	keysig	timesig	act_dur	mc_offset	numbering_offset	dont_count	barline	breaks	repeats	next
corpus	piece	i
mahler_kindertotenlieder	kindertotenlieder_01_nun_will_die_sonn	0	1	0	0	1.0	-1	4/4	1/4	3/4	<NA>	1	<NA>	<NA>	firstMeasure	(2,)
		1	2	1	1	4.0	-1	4/4	1	0	<NA>	<NA>	<NA>	<NA>	<NA>	(3,)
		2	3	2	5	4.0	-1	4/4	1	0	<NA>	<NA>	<NA>	<NA>	<NA>	(4,)
		3	4	3	9	4.0	-1	4/4	1	0	<NA>	<NA>	<NA>	<NA>	<NA>	(5,)
		4	5	4	13	4.0	-1	4/4	1	0	<NA>	<NA>	<NA>	<NA>	<NA>	(6,)

all_measures.get_default_analysis().plot_grouped()

Harmony labels

All symbols, independent of the local key (the mode of which changes their semantics).

try:
    all_annotations = D.get_feature("harmonylabels").df
except Exception:
    all_annotations = pd.DataFrame()
n_annotations = len(all_annotations.index)
includes_annotations = n_annotations > 0
if includes_annotations:
    display(all_annotations.head())
    print(f"Concatenated annotation tables contains {all_annotations.shape[0]} rows.")
    no_chord = all_annotations.root.isna()
    if no_chord.sum() > 0:
        print(
            f"{no_chord.sum()} of them are not chords. Their values are:"
            f" {all_annotations.label[no_chord].value_counts(dropna=False).to_dict()}"
        )
    all_chords = all_annotations[~no_chord].copy()
    print(
        f"Dataset contains {all_chords.shape[0]} tokens and {len(all_chords.chord.unique())} types over "
        f"{len(all_chords.groupby(level=[0,1]))} documents."
    )
    all_annotations["corpus_name"] = all_annotations.index.get_level_values(0).map(
        utils.get_corpus_display_name
    )
    all_chords["corpus_name"] = all_chords.index.get_level_values(0).map(
        utils.get_corpus_display_name
    )
else:
    print("Dataset contains no annotations.")

			mc	mn	quarterbeats	quarterbeats_all_endings	duration_qb	mc_onset	mn_onset	timesig	staff	voice	...	numeral_or_applied_to_numeral	intervals_over_bass	intervals_over_root	scale_degrees	scale_degrees_and_mode	scale_degrees_major	scale_degrees_minor	globalkey	localkey	chord
corpus	piece	i
mahler_kindertotenlieder	kindertotenlieder_01_nun_will_die_sonn	0	1	0	0	0	1.0	0	3/4	4/4	3	1	...	VII	(M3, P5)	(M3, P5)	(7, 2, 4)	(7, 2, 4), minor	(b7, 2, 4)	(7, 2, 4)	d	i	VII
		1	2	1	1	1	2.0	0	0	4/4	3	1	...	v	(a2, a4, M6)	(m3, d5, d7)	(3, #4, #6, 1)	(3, #4, #6, 1), minor	(b3, #4, 6, 1)	(3, #4, #6, 1)	d	i	#viio2/v
		2	2	1	3	3	1.0	1/2	1/2	4/4	3	1	...	v	(P4, m6)	(m3, P5)	(2, 5, 7)	(2, 5, 7), minor	(2, 5, b7)	(2, 5, 7)	d	i	v64
		3	2	1	4	4	1.0	3/4	3/4	4/4	3	1	...	VII	(m3, M6)	(m3, d5)	(1, 3, #6)	(1, 3, #6), minor	(1, b3, 6)	(1, 3, #6)	d	i	viio6/VII
		4	3	2	5	5	2.0	0	0	4/4	3	1	...	iv	(a2, a4, M6)	(m3, d5, d7)	(b2, #3, 5, 7)	(b2, #3, 5, 7), minor	(b2, 3, 5, b7)	(b2, #3, 5, 7)	d	i	#viio2/iv

5 rows × 52 columns

Concatenated annotation tables contains 590 rows.
Dataset contains 590 tokens and 219 types over 5 documents.