Final answer:
The provided information discusses the enduring musical careers of Bob Dylan and Leonard Cohen but does not specify when Dave Bielanko began playing music. Details regarding the start of an artist's career often encompass early learning, influential events, and initial milestones.
Step-by-step explanation:
The question is asking about Dave Bielanko and when he began playing music. However, you have provided information on Bob Dylan and Leonard Cohen, who are well-known musicians that started their careers much earlier. Bob Dylan, born in 1941, and Leonard Cohen, born in 1934, both had significant impacts on the music industry and are known for their work in producing music and poetry. Despite their advanced ages, they continued to be active and go on tours, showcasing their enduring talent and commitment to their art.
Although the provided information is insightful about the longevity of musical careers, the specific commencement of Dave Bielanko's musical journey is not included. Typically, when discussing an artist's beginnings, one might mention when they started learning an instrument or performing, their influential life events, and the timeline of their early career milestones.