🎹 約束 Piano

フレンズ· Advanced· 411 notes· Tempo 29 BPM· 6,000 views· Update 25/12/2025
🎭 Emotional Character
Heroic and uplifting, carrying a martial sense of joy, this piece moves moving as if time itself has thickened in a busy, richly detailed texture, steady in its expressive intensity from start to finish.
Major Very slow tempo Gentle dynamics Busy texture Wide-ranging melody
📥 Downloads
👤 Suggested For
🎓 Intermediate Students 🏆 Advanced Students
⏰ Estimated Practice Time
7
weeks to performance-ready
A serious study piece — consistent daily practice over several months is realistic.
5hper week
47htotal est.
3hard segments
* Estimate assumes ~5h focused practice/week for an average-level student at this difficulty tier.
🎯 Difficulty Assessment
Advanced
49 / 100
BeginnerIntermediateAdvancedExpert

Challenging - needs solid technique and independence

411
Total Notes
42%
Interleaved
3.95
Avg N/Beat
0
Ornaments
Score Breakdown
🎼 Hand Interleaving 17/25
42% of notes interleave - frequent interleaving, needs good independence
Note Density per Beat 12/30
Busiest beats: 6 notes/beat (avg 3.95) - moderately busy
Ornaments & Grace Notes 0/20
0 ornamental notes (0%) - no significant ornamentation
📏 Pitch Range (per hand) 10/15
Right: G#3–A#6 (38 st) | Left: G1–D#5 (44 st)
Largest Interval Leap 10/10
31 st (2Oct+P5) - extreme leaps
🎚 Dynamics
mf
Mostly mf - subtle dynamic shaping
Avg velocity 60/127  ·  Spread 15  ·  Range 49–64
pppmpmfffffff
🎹 Note Range - Piano Keyboard
Upper dot = RH (Right Hand) Lower dot = LH (Left Hand) White dot on black key = sharp/flat note used
📐 Note Range per Hand  ·  Sheet Preview
🖐 Right Hand
LowestG#3
HighestA#6
Span38 st (3Oct+M2)
Notes246
Widest leap31 st  A#6→D#4
🤚 Left Hand
LowestG1
HighestD#5
Span44 st (3Oct+m6)
Notes165
Widest leap26 st  A#4→G#2
🖐 Hand Span & Chord Density
Right Hand
Max chord span: 14 semitones (1Oct+M2)
UnisonOctave2 Oct
Avg chord: 2.6 notes  ·  44 chords
⚠️ 6 stretch chords (>octave)
Left Hand
Max chord span: 12 semitones (Oct)
UnisonOctave2 Oct
Avg chord: 2.1 notes  ·  17 chords
↪️ Scales & Thumb Crossing
Detected 1 scale/arpeggio run requiring thumb crossing. A few short runs — thumb technique needed but not dominant.
🖐 RH: 1 runs · longest 5 notes
🤚 LH: 0 runs · longest 3 notes
🔁 Repeating Phrases
3%
Repeated
Only 1 of 30 bars repeat — this piece is largely through-composed with mostly unique material throughout.
Repeated bar Unique bar
🎯 Suggested Practice Passages ?Each "passage" is 2 consecutive measures (ô nhịp). The algorithm scores every passage by note density and interval leaps, then picks the 3 hardest for focused practice.
The hardest passages in this piece — spend extra time here before running the full piece.
📍 Measures 20–21
Hardest
📍 Measures 22–23
2nd hardest
📍 Measures 24–25
3rd hardest