On a somewhat related topic - the How I Built This episode with the Zumba founders is fascinating. https://www.stitcher.com/podcast/national-public-radio/how-i...

spoiler alert One of their biggest revenue streams is with artists and music labels launching their songs in Zumba classes via the "official" playlists. Zumba is an excellent promotion channel for Latin music/island music and other "tropical" music.

The non-english language music is huge and works completely different than the rest of the pop charts.

Not that surprising given the fact the spanish has around 44 million speakers in US and probably most of them are from countries in Latin America.