The lyrics used for projection and streaming during worship service are machine generated from the lists shown on the pages linked here.
The source of lyrics for English psalters is available but not all have been transcribed into the format suitable for use (as of August 2022). Not found ones are progressive transcribed as and when they are required.
Lyrics for Trinity Hymnals are taken from here, but not all have been transcribed (as of August 2022). Ibid.
The sources of lyrics for other songs are not always obvious and they have to be provided for transcription if a new song not found here is to be used.
Projectionists can generate the lyrics of selected songs here.