Judy Dyble - on 'Fairport Convention' Richard Thompson - up to and including 'Full House' Sandy Denny - on 'What We Did in Our Holidays', 'Unhalfbricking', 'Liege & Lief' and 'Rising for the Moon' Dave Swarbrick - from 'Liege & Lief' onwards Iain Matthews - on 'Fairport Convention', 'What We Did in Our Holidays' and 'Unhalfbricking' ('Percy's Song' only)