In late 1989, he joined Spirit of the West, and has been a member of that band ever since. In 2001 Ditrich became the band's manager as well. He has also continued to record with other musicians as a session drummer, and released a solo album in 2002.
Spirit of the West frequently perform a rendition of "That's Amore" in concert, with Ditrich on lead vocals. Except for a live recording of that song on the band's 1999 greatest hits compilation Hit Parade, however, Ditrich does not normally perform lead vocals on the band's albums. Ditrich lived in Vancouver until 1993, but after the birth of his first son, he moved to Vancouver Island and still lives there to date with his wife, Marion, and their two sons, Perry and Sam.