Now taking bets on how long before SE will remove it.

Cause of "When using the performance actions, you are strictly prohibited from performing the music of any third parties. You may record and upload your performance and hereby agree to license such recordings to us for use by Square Enix or others in accordance with the terms of the “FINAL FANTASY XIV Material Usage License.”

Following the implementation of performance actions, the FINAL FANTASY XIV Material Usage License has been updated.
Review the FINAL FANTASY Material Usage License."