YouTube confirmed they will unlink all channels from every MCN on Feb 20, 2018 that do not meet the 4k-1k rule: 4,000 watch hours in the last 12 months and 1,000 total subscribers.
Just choose "Freedom!" when signing in to get all this for free:
1. Position Music and FiXT music, used in Call of Duty, NBA and Far Cry, is now for free to all Freedom! partners
➜ http://www.positionmusic.com
2. Epidemic Sound 25,000+ catalog licensed for free to all Freedom! partners for commercial purposes
➜ http://player.epidemicsound.com
3. AudioMicro 150,000+ catalog of music and sound effects licensed for free to all Freedom! partners for commercial purposes
➜ http://www.audiomicro.com