It's two weeks since I left Terrealuma, and the Heart Sutra is still resonating in my head. It started with the mantra and a bassline, then music and more words from the text built up around it until we ended up with some sweet harmonies and a heavy metal epiphany. Listening to different versions of the same thing constantly for days (or weeks) on end while recording can drive you slightly crazy, which could well be a prerequisite for the result being any good. When the repet