Watch Movies2Watch. John T. Davis (pianist/organist/vocalist) and Jim Heineman (saxophonist) are two Canadian jazzmen who have had to wage the war between the compulsion and the passion that they feel towards their music and the struggle that is involved with trying to make a living in the field of jazz music in Canada. John T. Davis is a Black musician from a poor rural environment. Jim Heineman is a white musician from a white middle-class urban environment.