Clay Pipe Music Frances Castle London Clay Pipe Music, is a London based label run by illustrator Frances Castle. Inspired by small press pioneers like Rena Gardiner, each release comes in carefully conceived packaging in limited quantities. If there is demand, further editions are produced. Clay Pipe specialises in releasing atmospheric music, with a strong theme or sense of place. Recent releases have sold out quickly, so if you want to be the first to know when a record is coming out, please sign up for the mailing list or follow Clay Pipe on Facebook or Twitter.