For example, they performed them in 1973 at the Metz Festival, in 1974 at both the Allgemeinen Deutschen Musikfest in Stuttgart and the Darmstädter Ferienkurse, and in 1978 in Luxembourg.
He toured the United States as the principal clarinettist of the American Wind Symphony Orchestra and has performed in the Aspen, Sarasota, Zermatt (Switzerland), Opera Barga (Italy), Texas (Houston) Music Festivals and the Altmärkisches Musikfest in Germany as well as being a regular guest of the Worcester Chamber Music Society.
Since 1996, Locke has performed with the Velvet Janes at festivals such as Willamette Valley Folk Festival, Iowa Women's Music Festival, Portland Pride, Midwest Women's Autumnfest and Bethlehem Musikfest, Port Fairy Folk Festival and Michigan Women's Music Festival.