JSON timings files are close to 0.5 standard now

Committing this hell garbage.  But at least Chord timings begin with GO!
and so do lyric timings.  Still need to make index 0 in both these
arrays be zero seconds.  And it's scrolling a little buggy, need to
diagnose.   At step 4.001 of this chart:
https://twitter.com/MarcusRomer/status/393094184652902402