Scottish folk outfit the Humblebums aren't perhaps as well known as their two main individual members: Gerry Rafferty, who later scored hits with Stealers Wheel and as a solo artist, and Billy Connolly, who left music to become an internationally successful stand-up comedian. Connolly actually founded the group in 1965, along with guitarist Tam Harvey; both had been regulars on the Glasgow folk circuit, and Connolly had previously been playing old-time country music in a group called the Skillet Lickers. The duo quickly became a popular attraction in Glasgow's folk clubs, part...