Nice one. Cologne based Frieda Bar is for all those music lovers fond of Punk, Heavy Metal, Rock, and similar.
Accomodation with record store
Rock place as you like it in Cologne

Indie bar in Cologne for music lovers

Pub not only for Metalheads
Rock place in the heart of the city

Cologne place for harder tunes
Rock 'n' Roll, Blues - and older stuff
Huge range of records from all possible genres
Vinyl specialist for Rock and more