During the 1970s and 1980s he was a session drummer for acts including Olivia Newton-John, Henry Gaffney, Chuck Berry, Michael Thompson, Jennifer Batten, Glenn Meganck, Dwight Twilley, Pat Vidas Flight and many others.
Dean Restum, Dave Meros (of Spock's Beard) and his old friend Martin Gerschwitz (who was also in Trout's band).
Between 2010 and 2013, Pershey worked live with the jazz guitarist Bob Summers, and with Martin Gerschwitz and Friends, Keston and The Rhythm Killers, and others.
Also in 2016 he recorded drums for the album The Streets Cry Freedom by Eddie St. James, which has been re-released on the Rivet/Sony-Orchard label.
In 2020 and 2021, he did live performances with Iron Butterfly, and Uncle Zeek, although the schedule was curtailed by the Covid pandemic.