“I’m constantly going back to Davey Graham… He is massively neglected as an insanely creative player. For me, he’s like Jimi Hendrix – his stuff should be analyzed in forensic detail”: Henry Parker on his journey from metal to virtuoso folk

The English folk phenom returns with Lammas Fair, an album introducing proggy psych to his sound. He discusses his approach to open tunings, paying tribute to acoustic great Michael Chapman, and making the most of resonant strings