As every legal analyst noted -- Trump has every legal right to play Steven Tyler's song at the event held in the venue.
As the license companies noted,they can pull the license
Following a similar letter stating, “Trump for President needs our client’s express written permission in order to use his music” and that the campaign “was violating Mr. Tyler’s copyright,” BMI drove the point home and pulled the public performance rights for the song. Public performance rights for “Livin’ on the Edge” are administered by ASCAP..