Appendix: OMR Comparisons with Audio Playback

Mozart: Piano Sonata No. 16 in C major, K. 545
Input Image
KV545 Input Image
Legato OMR Output
KV545 legato by legato-omr
SMT++ Output
KV545 smt by legato-omr
GPT-5 Output
K545 gpt 5 by legato-omr
Gemini 2.5 Pro Output
K545 gemini 2.5 pro by legato-omr
Chopin: Étude Op. 10, No. 4 in C♯ minor
Input Image
Op10No4 Input Image
Legato OMR Output
Op10No4 legato by legato-omr
SMT++ Output
Op10No4 smt by legato-omr
GPT-5 Output
Op10No4 gpt 5 by legato-omr
Gemini 2.5 Pro Output
Op10No4 gemini 2.5 pro by legato-omr
Liszt: Erlkönig (S. 558/4), arrangement of Schubert's D. 328
Input Image
S558 Input Image
Legato OMR Output
S558 legato by legato-omr
SMT++ Output
S558 smt by legato-omr
GPT-5 Output
S558 gpt 5 by legato-omr
Gemini 2.5 Pro Output
S558 gemini 2.5 pro by legato-omr