let events = []; for (let note of filtered) let durationTicks = note.duration; let durFraction = durationTicks / ticksPerQuarter; let vexDuration = '4'; // default quarter if (durFraction >= 1.8) vexDuration = '2'; else if (durFraction >= 0.9) vexDuration = '4'; else if (durFraction >= 0.45) vexDuration = '8'; else vexDuration = '16'; events.push( keys: [pitchToNoteName(note.pitch)], duration: vexDuration, startTick: note.startTick ); // sort by startTick for proper rendering events.sort((a,b)=> a.startTick - b.startTick); return events, ticksPerMeasure, maxTickLimit ;

.container max-width: 1300px; margin: 0 auto; background: white; border-radius: 32px; box-shadow: 0 20px 35px -12px rgba(0,0,0,0.1); overflow: hidden; padding: 28px 32px 40px; transition: all 0.2s;

h1 font-size: 1.9rem; font-weight: 600; margin: 0 0 6px 0; background: linear-gradient(135deg, #1F6E8C, #2C3E50); background-clip: text; -webkit-background-clip: text; color: transparent;