her compositions have been premiered in london, england and fiuggi, italy as well as in ottawa, windsor and vancouver; commissions include cbc radio, vancouver community college, the delta youth orchestra, the galiano trio, and others. at an early age sleeman was introduced to the music of olivier messiaen, whose inspiration has been important in her development. other influences are varèse, stravinsky, koechlin, lígeti, and bartók. her diversity of style has also been enhanced by her spanish and russian background and her love of jazz. she admired the work of frank zappa, to whose memory she dedicated selected performances of her work.