Joey Covington, a journeyman drummer with roots back in the old-school rock days, played drums with Jefferson Airplane from 1970 to 1972, and co-wrote one of the group's last chart hits. By the time he joined the band, he was a seasoned pro whose range of involvements, versatility, and open-minded attitude were all signs of a superior player. He began playing drums at the age of ten, listening mostly to jazz players and the drum-orgy recordings of Sandy Nelson. His professional career began soon thereafter, playing in polka bands with his mother and father as chaperones. At 14...