1. David Cassidy: The former teen idol-turned-pop star performs songs from his vast repertoire.
Where: The Birchmere Music Hall, 3701 Mount Vernon Ave., Alexandria
When: 7:30 p.m. Saturday
Info: $49.50; 703-548-7500; birchmere.com
2. Dr. Lonnie Smith Trio: The KC Jazz Club presents the jazz organist boasting more than 70 albums, performing with Jonathan...