Inclusion Criteria patients (N=30):  18 years old or older Able to consent Understand and speak French to be autonomous during the interview Have chronic musculoskeletal pain (at least for the last 3 months) OPTIONAL: have used medical cannabis against chronic musculoskeletal pain (for 10/30 recruited patients)  Inclusion Criteria physicians (N=15):  Hold a right to practice medicine in Canada Practice medicine at the time of the research project Understand and speak French to be autonomous during the interview Follow patients with chronic musculoskeletal pain OPTIONAL: Prescribe or have prescribed medical cannabis for chronic musculoskeletal pain (only for 5/15 recruited family physicians)  Exclusion Criteria:  There is no specific exclusion criteria. Participants who do not meet the inclusion criteria will be excluded from the study.