Reading the spec on Value Time Splits. I noticed the field - remoteStartTime. So with music tracks this field is not needed or set to zero.

RemoteStartTime is the method for linking to a timestamp in the episode. So now I can experiment with linking to audio in other podcasts #audioremix

Link:
https://github.com/Podcastindex-org/podcast-namespace/blob/main/docs/1.0.md#value-time-split