This always happens to Republicans. Fair use onl applies to Leftist
It sounds like his campaign did everything right and hired a Hollywood-based advertising firm to handle it- they used music.
Lawsuit out of Seattle, it figures.
Fair use applies to live events. Anyone can play the music at a live event and pay the standard fee. When musicians complain about candidates using them at events they know they have no legal recourse, they just are making a fuss. Using it in film or TV is completely different. You need to get rights from the owner.