Sir Douglas Quintet was a rock band active in the late 1960s and early 1970s. Despite their British sounding name, they came out of San Antonio, Texas and featured a Tex-Mex sound. Their most familiar lineup included Doug Sahm (lead vocals), Augie Meyers (organ), Frank Morin (sax, trumpet and keyboards), Harvey Kagan (bass), and Johnny Perez (drums).


