Soundtrack Write the sound for this film A film's sound is written for that film: its own instruments, rhythm and harmony in Web Audio, from nothing, in (oscillators, noise, filters, envelopes, delays: whatever the piece calls for). Drums, a groove or a music-box bed are written the same way, for this film: no two films should sound alike because they share a template. and are two ready-made scores, used only when the user asks for them; each file documents its options. (from the skill) renders offline with , writes and muxes it into the MP4; the page's live preview plays the same score when…