frequency timeline
apply to all nodes
desktop: click a node to edit; drag a node to move; use keys below
sstart
eend
aleft
dright
qduplicate left
wduplicate right
tdelete
rundo
escclose settings
export filename pattern
placeholders: #type (binaural|isochronic), #yyyy, #mm, #dd, #hh, #mm, #ss, #mp3_name — file will always end with gmonheave.xyz.mp3 / gmonheave.xyz.json