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Undertale - AlphysInteractive lesson ready

Undertale - Alphys

Learn the arrangement, follow the rhythm visually, and move between chords, sheet music, and alternate instruments for Undertale - Alphys.

95 BPM 3:19 D Minor 2 tracks 1044 notes

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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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Musical Analysis

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

95 BPM

Metrics Radar

Song profile
This song Balanced reference

Song Snapshot

Playable signals
Tempo95 BPM
Duration3:19
Tracks2
Notes1044
Key / ScaleD Minor
Pitch rangeF1 (29) - C6 (84)
Range span55 semitones

Melody Distribution

Registers by section

Chord Progressions

Main harmonic movement
Verse
Bb5Dm(add9)/EFBbDmFBb5Dm(add9)/EGDm(add9)/E
00:00 - 00:49
Pre-Chorus
C/EBb5C9/BbBbadd9C5CDsus2/EBbBbsus2Cmaj9/D
00:49 - 01:39
Chorus
GDm(add9)/EDsus2Csus2GDm(add9)/EDsus2Bb5Dm(add9)/EF
01:39 - 02:29
Bridge
F6/DFadd9/GGm7Gsus2F6Ab6Fm/AbBb7/AbF/CGm/D
02:29 - 03:19

Description & Musical Analysis

Practice Undertale - Alphys with piano notes, chord shapes, sheet music, and instrument-friendly visual guides on MidiPlays. Explore the song in the context of Alphys and related collections.

How to Play & Trivia

Why this page helps

Undertale - Alphys is arranged as a practical study page so you can hear the full MIDI playback, watch the notes land in time, and compare the same passage across piano, guitar, sheet music, and wind-friendly views.

A simple practice path

Start by listening to the full arrangement once. Then slow the tempo, isolate the phrases that repeat, and compare the visual keyboard, chord cues, and notation to confirm both melody and harmony.

Musical snapshot

  • Tempo: 95 BPM
  • Key / scale: D Minor
  • Note count: 1044
  • Duration: 3:19

What to focus on

Use the piano view to clean up timing, follow the chord cues to understand harmonic movement, and open the wind view when you want a clearer melodic contour for recorder, flute, clarinet, saxophone, or trumpet practice.

Related context

This arrangement also sits close to Alphys, which is useful when you want to stay inside the same soundtrack, game, or style family.
Available Instruments: Piano (Grand, Upright, Electric), Synthesizer, Organ, Guitar, 12-String Guitar, Viola Caipira, Ukulele, Bass (4 and 5 strings), Violin, Viola, Cello, Harp, Kalimba, Marimba, Xylophone, Vibraphone, Glockenspiel, Recorder, Flute, Ocarina, Saxophone, Clarinet, and Trumpet.

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MIDI Technical Specifications

Key / Scale
D Minor
Pitch Range
F1 (29) - C6 (84)
Total Notes
1044

Note Distribution

C
167 16.0%
C#
4 0.4%
D
200 19.2%
Eb
13 1.2%
E
115 11.0%
F
210 20.1%
F#
0 0.0%
G
125 12.0%
Ab
36 3.4%
A
60 5.7%
Bb
110 10.5%
B
4 0.4%

Tracks & Instruments

TrackInstrumentNotes
Track 1acoustic grand piano486
Track 2acoustic grand piano558

Chord Timeline

TimeBeatChord
00:00M1.1Bb5
00:00M1.2Dm(add9)/E
00:01M1.3F
00:01M2.1Bb
00:02M2.2Dm
00:03M2.3F
00:03M3.1Bb5
00:04M3.2Dm(add9)/E
00:05M3.3G
00:05M4.1Dm(add9)/E
00:06M4.2Dsus2
00:06M4.3Csus2
00:07M5.1G
00:08M5.2Dm(add9)/E
00:08M5.3Dsus2
00:09M6.1Bb
00:10M6.2C
00:10M6.3Dm/F
00:11M7.1Bb
00:12M7.2Dm/F
00:12M7.3F
00:13M8.1Bb
00:13M8.2C
00:14M8.3Em/G
00:15M9.1Em
00:15M9.2Em7/G
00:16M9.3Csus2/G
00:17M10.1G
00:17M10.2Dm(add9)/E
00:18M10.3Bb
00:18M11.1C
00:19M11.2Dm/F
00:20M11.3Bb
00:20M12.1Dm/F
00:21M12.2F
00:22M12.3Bb
00:22M13.1C
00:23M13.2Em/G
00:24M13.3Em
00:24M14.1Em7/G
00:25M14.2Csus2/G
00:25M14.3G
00:26M15.1Dm(add9)/E
00:27M15.2Bb
00:27M15.3C
00:28M16.1Dm/F
00:29M16.2Bb
00:29M16.3Dm/F
00:30M17.1F
00:30M17.2Bb
00:31M17.3C
00:32M18.1Em/G
00:32M18.2Em
00:33M18.3Em7/G
00:34M19.1Csus2/G
00:34M19.2G
00:35M19.3Dm(add9)/E
00:36M20.1Dsus2
00:36M20.2Bb5
00:37M20.3C9/Bb
00:37M21.1Bbadd9
00:38M21.2C5
00:39M21.3C
00:39M22.1Dsus2/E
00:40M22.2Bb
00:41M22.3Bbsus2
00:41M23.1Bbadd9
00:42M23.2C5
00:42M23.3Csus2/G
00:43M24.1C/E
00:44M24.2Bb5
00:44M24.3C7/Bb
00:45M25.1Bb6/D
00:46M25.2C5
00:46M25.3Am/C
00:47M26.1C/E
00:48M26.2Bbadd9
00:48M26.3Bb
00:49M27.1Bb6/D
00:49M27.2C
00:50 - 00:51M27.3 - M28.1C/E
00:51M28.2Bb5
00:52M28.3C9/Bb
00:53M29.1Bbadd9
00:53M29.2C5
00:54M29.3C
00:54M30.1Dsus2/E
00:55M30.2Bb
00:56M30.3Bbsus2
00:56M31.1Cmaj9/D
00:57M31.2C5
00:58M31.3Csus2/G
00:58M32.1Em/G
00:59M32.2Bb5
01:00M32.3C7/Bb
01:00M33.1Gm7/Bb
01:01M33.2C5
01:01M33.3C7
01:02M34.1C
01:03M34.2Bbadd9
01:03M34.3Bb
01:04M35.1Dm
01:05M35.2C
01:05 - 01:06M35.3 - M36.1Em/G
01:06M36.2Cm
01:07M36.3C
01:08 - 01:08M37.1 - M37.2Bbadd9/C
01:09M37.3Dm7/C
01:10 - 01:10M38.1 - M38.2Dm
01:11M38.3Dm7
01:12M39.1Dm
01:12M39.2F6/D
01:13M39.3Fadd9/G
01:13 - 01:14M40.1 - M40.2Gm7
01:15M40.3Gsus2
01:15M41.1F6
01:16M41.2Ab6
01:17M41.3Fm/Ab
01:17M42.1Bb7/Ab
01:18M42.2F/C
01:18M42.3Gm/D
01:19M43.1Cm
01:20M43.2C
01:20 - 01:21M43.3 - M44.1Bbadd9/C
01:22M44.2Dm7/C
01:22 - 01:23M44.3 - M45.1Dm
01:24M45.2Dm7
01:24M45.3Dm
01:25M46.1F6/D
01:25M46.2Fadd9/G
01:26 - 01:27M46.3 - M47.1Gm7
01:27M47.2Gsus2
01:28M47.3F6
01:29M48.1Ab6
01:29M48.2Fm/Ab
01:30M48.3Bb7/Ab
01:30M49.1F/C
01:31M49.2Gm/D
01:32M50.1F/C
01:33M50.2Bbmaj9/C
01:34M50.3Gm/D
01:35M51.2Bb5
01:36M51.3Dm(add9)/E
01:36M52.1F
01:37M52.2Bb
01:37M52.3Dm
01:38M53.1F
01:39M53.2Bb5
01:39M53.3Dm(add9)/E
01:40M54.1G
01:41M54.2Dm(add9)/E
01:41M54.3Dsus2
01:42M55.1Csus2
01:42M55.2G
01:43M55.3Dm(add9)/E
01:44M56.1Dsus2
01:44M56.2Bb5
01:45M56.3Dm(add9)/E
01:46M57.1F
01:46M57.2Bb
01:47M57.3Dm
01:48M58.1F
01:48M58.2Bb5
01:49M58.3Dm(add9)/E
01:49M59.1G
01:50M59.2Dm(add9)/E
01:51M59.3Dsus2
01:51M60.1Csus2
01:52M60.2G
01:53M60.3Dm(add9)/E
01:53M61.1Dsus2
01:54M61.2Bb5
01:54M61.3Bb
01:55M62.1Bbadd9
01:56M62.2C5
01:56M62.3C
01:57M63.1Em7
01:58M63.2Bb
01:58M63.3Bbsus2
01:59M64.1Csus2/D
02:00M64.2C5
02:00M64.3Csus4/G
02:01M65.1Em/G
02:01M65.2Bb5
02:02M65.3C9/Bb
02:03M66.1Gm7/Bb
02:03M66.2C5
02:04M66.3C7
02:05M67.1C
02:05M67.2Bbadd9
02:06M67.3Bb
02:06M68.1Fsus2/E
02:07M68.2C/E
02:08M68.3Em
02:08M69.1C
02:09M69.2Bb5
02:10M69.3Bb
02:10M70.1Bbadd9
02:11M70.2C5
02:12M70.3C
02:12M71.1Em7
02:13M71.2Bb
02:13M71.3Bbsus2
02:14M72.1Csus2/D
02:15M72.2C5
02:15M72.3Csus4/G
02:16M73.1Em/G
02:17M73.2Bb5
02:17M73.3C9/Bb
02:18M74.1Bb6
02:18M74.2C5
02:19M74.3C7
02:20M75.1C
02:20M75.2Bbadd9
02:21M75.3Bb
02:22M76.1Fsus2/E
02:22M76.2E
02:23M76.3C/E
02:24M77.1E
02:24M77.2Cm
02:25M77.3C
02:25 - 02:26M78.1 - M78.2Bbadd9/C
02:27M78.3Dm7/C
02:27 - 02:28M79.1 - M79.2Dm
02:29M79.3Dm7
02:29M80.1Dm
02:30M80.2F6/D
02:30M80.3Fadd9/G
02:31 - 02:32M81.1 - M81.2Gm7
02:32M81.3Gsus2
02:33M82.1F6
02:34M82.2Ab6
02:34M82.3Fm/Ab
02:35M83.1Bb7/Ab
02:36M83.2F/C
02:36M83.3Gm/D
02:37M84.1Cm
02:37M84.2C
02:38 - 02:39M84.3 - M85.1Bbadd9/C
02:39M85.2Dm7/C
02:40 - 02:41M85.3 - M86.1Dm
02:41M86.2Dm7
02:42M86.3Dm
02:42M87.1F6/D
02:43M87.2Fadd9/G
02:44 - 02:44M87.3 - M88.1Gm7
02:45M88.2Gsus2
02:46M88.3F6
02:46M89.1Ab6
02:47M89.2Fm/Ab
02:48M89.3Bb7/Ab
02:48M90.1F/C
02:49M90.2Gm/D
02:49M90.3Cm/G
02:50M91.1Cm9/G
02:51 - 02:51M91.2 - M91.3Cm9
02:52 - 02:53M92.1 - M92.2Dm
02:53M92.3F6/D
02:54M93.1Dm7
02:54M93.2Dm
02:55M93.3F6/D
02:56M94.1Gm9
02:56M94.2Gm9/D
02:57M94.3Gm7/D
02:58M95.1Gm9
02:58M95.2F6/D
02:59M95.3Ab6
03:00M96.1Ab6/C
03:00M96.2Bb9/C
03:01M96.3Ab6
03:01M97.1Gm/D
03:02M97.2Cm/G
03:03M97.3Cm9/G
03:03 - 03:04M98.1 - M98.2Cm9
03:05 - 03:05M98.3 - M99.1Dm
03:06M99.2F6/D
03:06M99.3Dm7
03:07M100.1Dm
03:08M100.2F6/D
03:08M100.3Gm9
03:09M101.1Gm9/D
03:10M101.2Gm7/D
03:10M101.3Gm9
03:11M102.1F6/D
03:12M102.2Ab6
03:12M102.3Ab6/C
03:13M103.1Bb9/Ab
03:13 - 03:14M103.2 - M103.3C
03:15M104.1Csus2
03:15 - 03:19M104.2 - M106.2D