🎹 I Believe (Ost. My Sassy Girl) Piano

Shin Seung Hun· Intermediate· 1,120 notes· Tempo 66 BPM· 6,000 views· Update 25/12/2025
🎭 Emotional Character
Unfolding letting silence breathe between the notes, this piece is stately and powerful, filling every corner of the room — layered with activity that rewards close listening, unwavering in its chosen volume and character.
Major Slow tempo Moderate dynamics Busy texture Wide-ranging melody
📥 Downloads
👤 Suggested For
📖 Early Learners 🎓 Intermediate Students ✋ Average Hand Size 👨‍🏫 Teaching Repertoire
⏰ Estimated Practice Time
4
weeks to performance-ready
Expect a few weeks of regular practice to get it up to tempo cleanly.
4hper week
22htotal est.
3hard segments
* Estimate assumes ~4h focused practice/week for an average-level student at this difficulty tier.
🎯 Difficulty Assessment
Intermediate
26 / 100
BeginnerIntermediateAdvancedExpert

Moderate - requires coordination between hands

1,120
Total Notes
34%
Interleaved
3.82
Avg N/Beat
1
Ornaments
Score Breakdown
🎼 Hand Interleaving 9/25
34% of notes interleave - moderate interleaving
Note Density per Beat 5/30
Busiest beats: 5 notes/beat (avg 3.82) - comfortable density
Ornaments & Grace Notes 0/20
1 ornamental notes (0.1%) - no significant ornamentation
📏 Pitch Range (per hand) 6/15
Right: G3–E6 (33 st) | Left: E2–G4 (27 st)
Largest Interval Leap 6/10
23 st (1Oct+M7) - large leaps
🎚 Dynamics
f
Uniform f - very little dynamic contrast
Avg velocity 80/127  ·  Spread 0  ·  Range 80–80
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
LowestG3
HighestE6
Span33 st (2Oct+M6)
Notes558
Widest leap19 st  D5→G3
🤚 Left Hand
LowestE2
HighestG4
Span27 st (2Oct+m3)
Notes562
Widest leap23 st  F#4→G2
🖐 Hand Span & Chord Density
Right Hand
Max chord span: 9 semitones (M6)
UnisonOctave2 Oct
Avg chord: 2.4 notes  ·  71 chords
Left Hand
Max chord span: 5 semitones (P4)
UnisonOctave2 Oct
Avg chord: 2 notes  ·  6 chords
↪️ Scales & Thumb Crossing
No significant scale runs detected — this piece does not heavily rely on thumb-crossing technique.
🔁 Repeating Phrases
19%
Repeated
Only 14 of 75 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 9–10
Hardest
📍 Measures 21–22
2nd hardest
📍 Measures 34–35
3rd hardest