In addition to appearing in musicals and plays at numerous regional theatres such as Paper Mill Playhouse, Surflight Theater, the Tennessee Williams PAC, the Union County PAC, and Plays In the Park, Susan Speidel has performed in concerts with the Key West Symphonic Pops, the Indianapolis Symphony, the Seattle Symphony, and the Orchestra of St. Peter's By The Sea.  

She has also performed her acclaimed cabaret shows at The Paper Mill Playhouse Brookside Cabaret, The Bickford Theatre at the Morris Museum, Key West's Tennessee Williams Performing Arts Center, The Duplex, Judy's Chelsea, Don't Tell Mama's, and Broadway Baby Bistro, in NYC, and at the Actors Home in Englewood, NJ.  Her performances have also been streamed by Music For All Seasons and Virtual Piano Bar.