Karlsruhe doesn't often make the shortlist of cities you'd expect a garage-rock uprising to spring from, but Wax Bird have never been much interested in doing things the expected way. "Heroes" opens their new EP like a door kicked off its hinges — three chords, a snarl, and a clarinet where you'd least expect one — and the effect is immediate: this is a band that plays as though the amplifiers might be repossessed by morning.