Cassidy, who is the understudy to both Norbert Leo Butz and Gregory Jbara, will offer an evening of tunes from the sixties through the nineties. Accompanied by a five-piece band — including Mary-Mitchell Campbell, Tony Steele, Greg Koch and Lee Morgan — concertgoers can expect to hear tunes by Stevie Wonder, Eric Clapton, Marvin Gaye, The Black Crowes, Styx and Queen. Show time is 8 PM at the Ars Nova Theater.

In addition to Dirty Rotten Scoundrels, Cassidy has also performed principal roles in 1776, Show Boat, Les Misérables and A Christmas Carol. His other New York credits include Listen to My Heart: The Songs of David Friedman, Encores! and a solo evening at Joe's Pub.

Previous "Broadway Spotlight" concerts have spotlighted the talents of Avenue Q's Ann Harada and John Tartaglia, Dance of the Vampires' Max von Essen, Les Miz’s Lauren Kennedy, Hairspray's Shoshana Bean, Into the Woods' Chad Kimball, Aida's Felicia Finley, Rent's Anthony Rapp, Wicked's Idina Menzel and Funny Girl’s Leslie Kritzer.

The Ars Nova Theater is located in Manhattan at 511 West 54th Street. Call (212) 868-4444 for $15 tickets or go to www.SmartTix.com.