Bobby Lakind, 47, Of Doobie Brothers

LOS ANGELES - Bobby LaKind, a member of the Doobie Brothers' lighting crew who later became the popular rock band's percussionist, died yesterday of cancer, the group's publicist said. He was 47.

The Doobie Brothers, who first broke up in 1982, got together for two benefit concerts in October to raise money for a trust fund for LaKind's two young sons. The shows, in Los Angeles and Concord, Calif., raised more than $75,000.

LaKind joined the Doobies' lighting crew in the 1970s and sat in with the band for a time before becoming a regular member. He remained with the group until it broke up in 1982.

All 12 people who had been members of the band at one time or another, including LaKind, attended the October shows.

The group's hit songs include "Listen to the Music," "Takin' It To The Streets," "Black Water" and "What a Fool Believes." The latter won a Grammy for record of the year in 1979.