Iain Matthews is an English musician and singer-songwriter. He was an original member of the British folk rock band Fairport Convention from 1967 to 1969 before leaving and forming his own band, Matthews Southern Comfort, which had a UK number one in 1970 with a cover version of Joni Mitchell's song 'Woodstock'. In 1979 his cover of Terence Boylan's 'Shake It' reached No. 13 on the US charts.
David Cyril Eric Swarbrick was an English folk musician and singer-songwriter. He has been described by Ashley Hutchings as 'the most influential [British] fiddle player bar none' and his style has been copied or developed by almost every British and many world folk violin players who have followed him. He was one of the most highly regarded musicians produced by the second British folk revival, contributing to some of the most important groups and projects of the 1960s, and he became a much sought-after session musician, which led him throughout his career to work with many of the major figures in folk and folk rock music.