Sibling Rivalry is the twelfth studio album by American rock band The Doobie Brothers. The album was released on October 3, 2000, by Pyramid Records and Rhino Entertainment.

Tamara Champlin is an American singer-songwriter who started her career as a session singer in Houston, Texas, later moving to Los Angeles. She has performed with and written for singers such as Elton John, Leon Russell, Nicky Hopkins, Steve Lukather, Andreas Carlsson, husband Bill Champlin, and son Will Champlin.