Rob Roy McGregor's Audition and Performance Preparation for Trumpet; Orchestral Literature Studies, Volume 4
Rob Roy McGregor's Audition and Performance Preparation for Trumpet; Orchestral Literature Studies, Volume 3
Rob Roy McGregor's Audition and Performance Preparation for Trumpet; Orchestral Literature Studies, Volume 1
Rob Roy McGregor's Audition and Performance Preparation for Trumpet; Orchestral Literature Studies, Volume 2