This is a shock. I thought Steve was in long term remission.
As a guitarist he was a one off. He could accompany anyone in any key only playing by ear. In that respect he was unusual.
   Years ago when he expressed an interest in flamenco, I took him on a weekends hothouse course in flamenco dance/guitar/cante in the village of Middlesmoor. This course was heavy going for me, but Steve did it his way. I took notes, photocopied the sheet music, studied, videoed, chatted etc etc. Steve refused to learn or play standard notation and tablature,he spent the weekend REALLY listening, in a way I couldn't imagine, then blended what he had learnt with what he already knew and played it back at me...wonderful...a true one off.