Then there were the hits: Listen to the Music, Long Train Runnin’, China Grove, Takin’ It to the Streets, and many more, which accounts for the Diamond status of 1976’s Best of the Doobies.

Before the singer-songwriter and keyboardist joined the group in 1975, the Doobies were a power-chord rockin' band best known for "Long Train Runnin'" and "Black Water." After McDonald joined ...