This study aimed to analyze trainees’ experiences during BMGIM (Bonny Method of Guided Imagery and Music) fellow certificate training. The data from the researchers’ memories, training logs, and artistic outcomes of BMGIM training from June 2015 to present were collected and analyzed qualitatively, using an innovative research method known as art-based collaborative auto-ethnography. As a result, six domains that explain the experience were produced; ‘training preparation’, ‘experience as guides’, ‘experience as travelers’, ‘group dynamic’, ‘experience with trainers’, and ‘motivation to continue training’. The results of the present study provide music therapists and trainers with practical and comprehensive information on trainees’ live experiences during the course of BMGIM fellow certificate training.