Vertical defaults to Camelot — strata read as harmonic content. Classic defaults to State — the live/past distinction reads at a glance. Live tracks always render phosphor-green regardless.
Replace the linear opacity fade with sediment-style aging — particles condense in when new tracks arrive, and old tracks slowly lose chroma and settle. Off by default.
Animation when the day strip re-scopes between calendar-month and seam views. A/B preview — one of these will graduate.