The Doobie Brothers' long career can be broken ... a power-chord rockin' band best known for "Long Train Runnin'" and "Black Water." After McDonald joined, they became one of the biggest pop ...

7. The Doobie Brothers, best known for songs like "Black Water" and "What a Fool Believes" from early in its more than half-century career, are still out there. More impressively, decades after ...