William Royce "Boz" Scaggs (born June 8, 1944) is an American singer, songwriter, and guitarist. He became prominent for his series of albums in the late 1970s, and songs "Lido Shuffle" and "Lowdown" from Silk Degrees (1976), which peaked at No. 2 on the Billboard 200. Scaggs continues to write, record music, and tour.