 In 1975, Garnett participated in an Off-Off Broadway theater production of "Starfollowers in an Ancient Land," written and directed by H. M. Koutoukas, at the La MaMa Experimental Theater Club in New York City's East Village.Garnett performed in the cast, and also co-wrote the music for the production with Tom O'Horgan.Although Garnett had retired from the music business by the 1980s, she continued occasionally appearing in feature films (including the 2002 sleeper hit "My Big Fat Greek Wedding") and on television shows, usually in supporting roles.