"It's hard to avoid the impression that Aerosmith might indeed be phoning it in after 42 years, despite the cameos from Johnny Depp on Freedom Fighter and Julian Lennon on Luv XXX, and the recall of their 70s producer, Jack Douglas. "It sounds like dinosaurs eating cars," promises guitarist Joe Perry. In reality, too much of Music... veers towards chewy chart balladry and away from the amusing blues rockers where American Idol judge Steven Tyler manoeuvres his mic stand around with a scarf".