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Nocturne No. 20 in C-sharp Minor, B. 49 — Frédéric ChopinInteractive lesson ready

Nocturne No. 20 in C-sharp Minor, B. 49 — Frédéric Chopin

Learn the arrangement, follow the rhythm visually, and move between chords, sheet music, and alternate instruments for Nocturne No. 20 in C-sharp Minor, B. 49 — Frédéric Chopin.

50 BPM 4:45 C# Minor 2 tracks 1098 notes
ClassicalPianoChopinNocturneRomantic
Image: Louis-Auguste Bisson·Public domain

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Mode Concert: the MIDI melody is played as is, with the instrument's didactic fingering (out-of-range notes skip octaves). Mode Written: applies the real transposition of each instrument (alto sax in Eb +9, clarinet/trumpet in Bb +2).

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00:00
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Musical Analysis

Read the song by harmony, melody, rhythm, and section behavior.

50 BPM

Metrics Radar

Song profile
This song Balanced reference

Song Snapshot

Playable signals
Tempo50 BPM
Duration4:45
Tracks2
Notes1098
Key / ScaleC# Minor
Pitch rangeG#1 (32) - D#7 (99)
Range span67 semitones

Melody Distribution

Registers by section

Chord Progressions

Main harmonic movement
Opening
C#F#C#AAbC#F#C#AAb
00:00 - 01:11
Early middle
F#sus4C#sus4/F#F#m/ABsus2D/F#F#m/AD/F#F#m/AEbm/F#F#m/A
01:11 - 02:22
Late middle
DmAbm/BEbsus4AmEb5C#sus2Ab5CAbA
02:22 - 03:34
Ending
F#sus4F#m/AF#5F#dimCdim/F#B6/AbB/F#Absus4C#m/EF#m(add9)/A
03:34 - 04:45

Description & Musical Analysis

This two-hand piano MIDI presents Chopin’s posthumous Nocturne in C-sharp minor, B. 49, often called No. 20, across 65 measures and 1,098 notes.

How to Play & Trivia

About this MIDI

This is Chopin’s posthumous Nocturne in C-sharp minor, B. 49, commonly called Nocturne No. 20. The two piano tracks span 65 measures, with 1,098 notes and about 4:46 of playback; it is separate from the Op. 9 nocturnes.

Practice focus

Follow the singing melody above the accompaniment, then listen to each hand separately to hear how the phrasing and harmony move beneath it. A slow tempo makes the ornamental figures easier to place without losing the line.

Score source: PDMX v9, Zenodo record 15571083; this entry is marked CC0 in the dataset metadata.

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MIDI Technical Specifications

Key / Scale
C# Minor
Pitch Range
G#1 (32) - D#7 (99)
Total Notes
1098

Note Distribution

C
46 4.2%
C#
201 18.3%
D
22 2.0%
Eb
170 15.5%
E
149 13.6%
F
21 1.9%
F#
149 13.6%
G
11 1.0%
Ab
194 17.7%
A
73 6.6%
Bb
9 0.8%
B
53 4.8%

Tracks & Instruments

TrackInstrumentNotes
Pianoacoustic grand piano648
Pianoacoustic grand piano450

Chord Timeline

TimeBeatChord
00:00 - 00:01M1.1 - M1.2C#
00:02M1.3F#
00:03M1.4C#
00:04M2.1A
00:06M2.2Ab
00:09 - 00:10M3.1 - M3.2C#
00:12M3.3F#
00:13M3.4C#
00:14M4.1A
00:15M4.2Ab
00:19M5.1C#5
00:20M5.2C#m/E
00:21M5.3A/C#
00:22M5.4C#sus2/Eb
00:24M6.1C#5
00:25M6.2C#m/E
00:26M6.3C#5
00:27M6.4C#
00:28M7.1C#5
00:30M7.2C#/F
00:31M7.3C#5
00:32M7.4C#/F
00:33M8.1F7/Eb
00:34M8.2C#sus4/F#
00:36M8.3F7/Eb
00:37M8.4C#sus4/F#
00:38M9.1Abm/B
00:39M9.2Ebm/F#
00:40M9.3Ebsus4
00:42M9.4Ebm/F#
00:43M10.1C#5
00:44M10.2C#m/E
00:45M10.3F7/A
00:46M10.4F#5
00:48M11.1Ab5
00:49M11.2C#sus2
00:50M11.3Ab5
00:51M11.4Bbsus2
00:52M12.1Ab5
00:54M12.2Ab/C
00:55M12.3Ab5
00:56M12.4Ab
00:57M13.1C#5
00:58M13.2C#m/Ab
01:00M13.3C#sus4
01:01M13.4Ebm7/F#
01:02M14.1C#5
01:03M14.2C#m/Ab
01:04M14.3C#5
01:06M14.4C#m/E
01:07M15.1C#5
01:08M15.2C#/F
01:09M15.3C#5
01:10M15.4C#7/B
01:12M16.1F#sus4
01:13M16.2C#sus4/F#
01:14M16.3F#m/A
01:15M16.4Bsus2
01:16M17.1D/F#
01:18M17.2F#m/A
01:19M17.3D/F#
01:20M17.4F#m/A
01:21M18.1Ebm/F#
01:22M18.2F#m/A
01:24M18.3Em/G
01:25M18.4A
01:26M19.1E/Ab
01:27M19.2Absus4
01:28M19.3Ab5
01:30M19.4F#sus4/B
01:31M20.1C#5
01:32M20.2C#m(add9)/E
01:33M20.3C#m
01:34M20.4Bsus2/C#
01:36M21.1A5
01:37M21.2A
01:38M21.3A5
01:39M21.4E7/Ab
01:40M22.1A5
01:42M22.2A
01:43M22.3A5
01:44M22.4E7/Ab
01:45M23.1Bsus4
01:46M23.2E/Ab
01:48 - 01:50M23.3 - M24.1A5
01:51M24.2E/Ab
01:52M24.3A5
01:54M24.4A
01:55M25.1F#5
01:56M25.2F#m/A
01:57M25.3F#5
01:58M25.4C#7/B
02:00M26.1F#5
02:01M26.2C#7/B
02:02M26.3F#5
02:03M26.4F#m/A
02:04M27.1Ab5
02:06M27.2Ab
02:07M27.3C#m
02:08M27.4Absus4
02:09M28.1Ab5
02:10M28.2Ab
02:12M28.3C#m
02:13M28.4Absus4
02:14M29.1A5
02:15M29.2Eb7/G
02:16M29.3Ab5
02:18M29.4Ab
02:19M30.1F7/A
02:20M30.2Eb/G
02:21M30.3Ab5
02:22M30.4Ab
02:24M31.1Dm
02:25M31.2Abm/B
02:26M31.3Ebsus4
02:27M31.4Am
02:28M32.1Eb5
02:30M32.2C#sus2
02:31M32.3Ab5
02:32M32.4C
02:33M33.1Ab
02:34M33.2A
02:36M33.3Eb
02:37M33.4C#
02:38M34.1Ab5
02:39M34.2C
02:40M34.3Ab
02:42M34.4Eb
02:43M35.1Eb6
02:44M35.2Bb
02:45M35.3Ab5
02:46M35.4C
02:48M36.1Ab
02:49M36.2A
02:50M36.3Eb
02:51M36.4C#
02:52M37.1Ab5
02:54M37.2C
02:55M37.3Ab
02:56M37.4Eb
02:57M38.1Eb6
02:58M38.2Bb
03:00M38.3Ab5
03:01M38.4C
03:02M39.1Ab
03:03M39.2Eb
03:04M39.3Eb6
03:06M39.4Bb
03:07M40.1Ab5
03:08M40.2C
03:09M40.3Ab
03:10M40.4Eb
03:12M41.1Eb6
03:13M41.2Bb
03:14M41.3Ab
03:21M43.1C#5
03:22M43.2C#m/E
03:24M43.3Esus4/A
03:25M43.4C#sus2
03:26M44.1C#m/Ab
03:27M44.2C#
03:28M44.3E/Ab
03:30M44.4C#
03:31M45.1Abdim7
03:32M45.2C#7sus2
03:33M45.3Abdim7/F
03:34M45.4F#sus4
03:36M46.1F#m/A
03:37M46.2F#5
03:38M46.3F#dim
03:39M46.4Cdim/F#
03:40M47.1B6/Ab
03:42M47.2B/F#
03:43M47.3Absus4
03:44M47.4C#m/E
03:45M48.1F#m(add9)/A
03:46M48.2Ebm7
03:48M48.3Ab7sus2
03:49M48.4Ebm7/F#
03:50M49.1Ab7sus2
03:51M49.2Ab
03:52M49.3F#7sus4
03:54M49.4F#m11/A
03:55M50.1Ebm7
03:56M50.2Amaj7
03:57M50.3Abm/Eb
03:58M50.4B5
04:00M51.1Ebm/F#
04:01M51.2C#m
04:02M51.3E6/C#
04:03M51.4F7/A
04:04M52.1Ebm7/F#
04:06M52.2Ab5
04:07M52.3C#sus4/F#
04:08M52.4Abm/Eb
04:09M53.1C#7sus4/F#
04:10M53.2C#m/Ab
04:12M53.3C#m
04:13M53.4Ebm7/F#
04:14M54.1C#
04:15M54.2C#m/Ab
04:16M54.3C#sus4
04:18M54.4Ebm7
04:19M55.1C#5
04:20M55.2C#m/E
04:21M55.3C#sus4
04:22M55.4C#sus2
04:24M56.1C#m/Ab
04:25M56.2C#m
04:26M56.3Ebm7/F#
04:27M56.4C#sus2
04:28M57.1E/Ab
04:30M57.2C#m
04:31M57.3Ebm7
04:32M57.4C#sus2
04:33M58.1C#m/E
04:34M58.2C#sus4
04:36M58.3C#sus2/Eb
04:37M58.4C#5
04:38 - 04:39M59.1 - M59.2C#/F

The table shows the first 220 chord changes. The player keeps the complete MIDI performance available for listening and visual practice.