作為著名清唱劇藝術家，他與英國的主要合唱團和樂團皆有合作出演。2012年，被選為“英國皇家音樂學院會員”。

U.K. Famous Musician; singer, teacher and international adjudicator. Stewart is an accomplished oratorio artist and he has performed with all the major choirs and orchestras in the UK. In 2012 Stewart was elected an Associate of the Royal Academy of Music (ARAM).