The recordings will be used to teach Duolingo users the foundations of music and music theory skills.
UMG, WMG and Sony are said to be considering a lawsuit against two of the most dominant AI startups in music, sources say.
The Billboard Global Music Index is up 12.6% over the last two weeks and 14.6% in the five weeks since Oct. 28
Warner Music Group is the only major label that appears to have complied with the law as of yet.
