- Alchemy Records - Written and Produced by Joram Gabriël & Ché van Workum - Executive Producers: Mauro Picotto & Riccardo Ferri - CAT: ALCDG041 - ©(p) 2012 Bakerloo srlKlankarbeit kick off their "Yeah"EP with subtle stabs that evolve into almost-plucked chords, doing their thing over a rolling rhythm section. "Eager" opts for a more moody vibe, sporting some intricate chord progressions while the solid groove of "Problem Child" seals the deal with its solid groove and rattling percussion.