Michael McDonald and Boz Scaggs at Wolf Trap

Ever notice how white male contestants with rich, soulful voices on American Idol – from Taylor Hicks to Danny Gokey – are often likened to McDonald? Well, the original Doobie Brother is at Wolf Trap next week alongside Scaggs, the artist whose music spans various genres, from blues to jazz to rock. Tuesday, June 23, 2009 at 8 p.m. Wolf Trap, 1645 Trap Road, Vienna. Tickets are $25 to $42. Call 703-255-1900 or visit www.wolf-trap.org.