If 7 Across (AP Music Theory) is TRJA, then 5-down (Business in the front) would have to be formatted like (_ _ _ _ _ _ _ _ _ E _ _) which puts the E from Family Force 5 in the wrong place. So either one of the bands has to be incorrect, or the crossword maker would have made a typo.
At a Warped Tour pre-party in Mexico City. The 3 bands palying tonight were announced today: Scary Kids Scaring Kids, Say Ocean and Sgt Papers
My two guesses to add on: -Thrice is the name before Tillie -The Offspring is one of the names between The Expendables and The Starting Line