As a singer, Jenkins has primarily been a backing vocalist for Jane Siberry and Parachute Club. She has also recorded tracks for a number of Canadian benefit and compilation albums, and participated in the Count Your Blessings concert with Siberry, Holly Cole, Mary Margaret O'Hara and Victoria Williams. As well, Jenkins is featured prominently on the Bye Bye Blues Soundtrack album; her character in the film is a woman who takes up jazz singing to support her family while her husband is away during World War II. She also performed the title track "Bye Bye Blues" in Calgary at the September 1, 2005, opening the night of the celebration of Alberta's centennial.