🎹 Iro Kousui Piano

Arranger: Oldfrenchguy· Advanced· 1,060 notes· Tempo 148 BPM· 6,000 views· Update 25/12/2025
🎭 Emotional Character
This is a piece enigmatic and unsettling, full of presences felt but never seen — propelled forward with restless energy and speaking loudly without shouting, with many voices weaving in and out, maintaining a consistent and focused emotional level throughout.
Minor Fast tempo Strong dynamics Busy texture Wide-ranging melody
📥 Downloads
👤 Suggested For
🎓 Intermediate Students 🏆 Advanced Students 🖐 Large Hands
⏰ Estimated Practice Time
17
weeks to performance-ready
A serious study piece — consistent daily practice over several months is realistic.
5hper week
97htotal est.
3hard segments
* Estimate assumes ~5h focused practice/week for an average-level student at this difficulty tier.
🎯 Difficulty Assessment
Advanced
45 / 100
BeginnerIntermediateAdvancedExpert

Challenging - needs solid technique and independence

1,060
Total Notes
34%
Interleaved
4.86
Avg N/Beat
0
Ornaments
Score Breakdown
🎼 Hand Interleaving 9/25
34% of notes interleave - moderate interleaving
Note Density per Beat 20/30
Busiest beats: 8 notes/beat (avg 4.86) - dense passages
Ornaments & Grace Notes 0/20
0 ornamental notes (0%) - no significant ornamentation
📏 Pitch Range (per hand) 6/15
Right: B3–E6 (29 st) | Left: E1–E4 (36 st)
Largest Interval Leap 10/10
28 st (2Oct+M3) - extreme leaps
🎚 Dynamics
ff
Moderate dynamics (ff avg) - clear expression required
Avg velocity 88/127  ·  Spread 35  ·  Range 80–115
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
LowestB3
HighestE6
Span29 st (2Oct+P4)
Notes469
Widest leap17 st  E6→B4
🤚 Left Hand
LowestE1
HighestE4
Span36 st (3 Oct)
Notes591
Widest leap28 st  E4→C2
🖐 Hand Span & Chord Density
Right Hand
Max chord span: 12 semitones (Oct)
UnisonOctave2 Oct
Avg chord: 2.2 notes  ·  161 chords
Left Hand
Max chord span: 16 semitones (1Oct+M3)
UnisonOctave2 Oct
Avg chord: 2.6 notes  ·  172 chords
⚠️ 1 stretch chords (>octave)
↪️ Scales & Thumb Crossing
No significant scale runs detected — this piece does not heavily rely on thumb-crossing technique.
🔁 Repeating Phrases
6%
Repeated
Only 4 of 63 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 37–38
Hardest
📍 Measures 42–43
2nd hardest
📍 Measures 49–50
3rd hardest