🎹 Bài ca ngàn trùng Sheet Piano đệm hát
🎭 Emotional Character
Dark and brooding, pulling steadily inward, steady and unwavering in tone — fluid and unforced and thick and saturated, no space left empty.
👤 Suggested For
🏆 Advanced Students
🎹 Concert Pianists
🖐 Large Hands
🎤 Recital Repertoire
⏰ Estimated Practice Time
18
weeks to performance-ready
Concert-level material. Mastery takes dedicated long-term commitment.
6hper week
120htotal est.
3hard segments
* Estimate assumes ~6h focused practice/week for an average-level student at this difficulty tier.
🎯 Difficulty Assessment
Expert
74
/ 100
Professional - complex layering and high speed required
487
Total Notes
74%
Interleaved
6.49
Avg N/Beat
0
Ornaments
Score Breakdown
🎼
Hand Interleaving
25/25
74% of notes interleave - very dense layering, both hands constantly active
⏱
Note Density per Beat
20/30
Busiest beats: 11 notes/beat (avg 6.49) - dense passages
✨
Ornaments & Grace Notes
0/20
0 ornamental notes (0%) - no significant ornamentation
📏
Pitch Range (per hand)
10/15
Right: D2–A#5 (44 st) | Left: C2–F5 (41 st)
↕
Largest Interval Leap
10/10
38 st (3Oct+M2) - extreme leaps
#
Chromatic Complexity
2/8
13% black-key notes - some accidentals
♬
Polyphony / Voices
7/7
~11 notes active per beat (max 16) - contrapuntal texture, multiple independent lines
⏳
Piece Length
0/5
40s - short piece
🎚 Dynamics
f
Uniform f - very little dynamic contrast
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
🤚 Left Hand
| Lowest | C2 |
| Highest | F5 |
| Span | 41 st (3Oct+P4) |
| Notes | 258 |
| Widest leap | 36 st D5→D2 |
🖐 Right Hand
| Lowest | D2 |
| Highest | A#5 |
| Span | 44 st (3Oct+m6) |
| Notes | 229 |
| Widest leap | 38 st E5→D2 |
🖐 Hand Span & Chord Density
Left Hand
Max chord span: 36 semitones (3 Oct)
0 stOctave2 Oct
Avg chord: 3.9 notes · 50 chords
⚠️ 40 stretch chords (>octave)
Right Hand
Max chord span: 38 semitones (3Oct+M2)
0 stOctave2 Oct
Avg chord: 4.3 notes · 38 chords
⚠️ 14 stretch chords (>octave)
↪️ Scales & Thumb Crossing
No significant scale runs detected — this piece does not heavily rely on thumb-crossing technique.
🔁 Repeating Phrases
0%
Repeated
Only 0 of 20 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 8–9
Hardest
📍 Measures 14–15
2nd hardest
📍 Measures 16–17
3rd hardest
