2020 winter masterclasses session took place within ArmBone International Festival & Masterclasses, an event organized in collaboration with Spanish musicians of the Armenian National Philharmonic Orchestra.

They are Juan Pardo Gil (trombone) and Santiago Díaz Aguirre (conductor, bass trombone, orchestra methodology). There were 4 working days that incorporated two concerts and two days of intensive trombone and bass-trombone masterclasses of 19 young Armenian musicians with participation of two more foreign specialists: George Krimperis (Greece) and Tomer Maschkowski (Israel/Netherlands). The final concert video is available to view on YouTube: