With McDonald on board, however, the Doobies found a new audience in the adult contemporary genre, releasing hit singles and signature songs such as “What a Fool Believes,” “Minute By Minute,” “Echoes of Love,” “Takin' It to the Streets,” “Real Love,” “Little Darling (I Need You)” and more.

The first album to feature The Doobie Brothers' core lineup in 50 years will drop this spring. The band said on Instagram Wednesday that their new album “Walk This Road” will be released on Friday, June 6.