EXTENSION CHORDS

Twenty years ago, Sandy Nelson ushered in the era of rock drumming with his classic “Let There Be Drums.” A few years later, the Surfaris gave us “Wipeout,” and the die was cast. It has long since become standard practice for drummers to adamantly refuse to play “Wipeout,” but here in the ’80s there is a new plague threatening the boys in the band who pound on the skins: electronic drum machines.