It costs nothing
I highly doubt that. Lyrics are copyrighted like anything else, so record labels are going to charge for it.
like the YouTube app requiring a subscription for background playing
That’s an artificial limitation, as evidenced by NewPipe, Grayjay, and multiple others offering the same exact thing without a premium tier.
lud@lemm.ee 5 months ago
Because they need to pay their supplier of synced (and non-synced) lyrics, Musixmatch.