In the mid-’70s McDonald was invited to join the Doobie Brothers as the band redefined their sound with McDonald serving as a singer, keyboardist and songwriter on such Top 40 singles as “Takin’ It To The Streets, "It Keeps You Runnin", "Minute By Minute” and “What A Fool Believes.” Throughout the ’80s and ’90s McDonald’s solo career took off with a string of hits including “I Keep Forgettin’ (Every Time You’re Near),”“Sweet Freedom,”“On My Own” (with Patti LaBelle) and the Grammy-winning James Ingram duet “Yah Mo B There,” plus he co-wrote the Van Halen hit “I’ll Wait.”McDonald has performed with a whos-who of critically acclaimed artists across a number of genres,