iOS starts every AudioContext suspended and refuses to play media outside a
user gesture. One tap unlocks the whole rack — layers, gains and the
transport — for the rest of the session.
1–9 audio item → free layer · ⇧1–9 video item → free layer ·
space all-stop · c chord · s shuffle-all ·
badges: 1965 year-only (synthesized 07-15 / audio month:null) ·
1965-03 month-only (day-15) · 1965-03-22 day ·
italic = heuristic (date-only), solid = confirmed from content record