Many popular songs, like Adele’s “Rolling in the Deep” and tracks by artists like Kendrick Lamar and Britney Spears, disappeared from YouTube and YouTube Music due to a licensing issue with SESAC. SESAC, a music licensing organization, represents over 1.5 million songs. YouTube stated they couldn’t reach an agreement before the deal expired, but negotiations are ongoing. Some believe this could be a negotiating tactic, as the previous agreement may not end until next week. It’s unclear when the music will return.
Read more – https://www.theverge.com/24257157/youtube-sesac-music-licensing-streaming