Jazz loved human music loud enough to rattle the walls.

Ratchet called it impractical. Jazz called it motivation.

Bass thundered through the training room as a funky dubstep remix blasted from the speakers built into his frame. Grinning, he spun through holographic Decepticons, blade flashing as one dissolved into blue sparks.

"Aw, c'mon! That's all you got?"

Another drone appeared. Jazz tapped his wrist, speakers humming before unleashing a concentrated sonic blast that crushed the target midair.

"Keep up with the tempo."