Vince Neal is actually fairly conservative, and has been a republican supporter before. Apparently a few months back, someone from the Trump campaign asked if he would do it, he said yes, now perhaps cooler heads have prevailed, and they want something more traditional.
It wasn’t from Trumps campaign. It was Hillary’s campaign.
btw, I think there is a video of Vince at that link. I can’t view them because TMZ jacks up my computer..so not sure