 Over the years, Matz worked with a number of prominent artists, including Burt Bacharach, Tony Bennett, Bing Crosby, Lena Horne, Peggy Lee, k.d.lang, Bette Midler, Rosemary Clooney, Liza Minnelli, Elaine Paige, Chicago, Dolly Parton, Dame Kiri Te Kanawa, Sarah Vaughan and Dionne Warwick.He also composed music for a number of films and television series.