Marcelo Barbosa (born in 1975) is a Brazilian guitar player and music professor. He is a founder or participant of a few important Brazilian bands like progressive metal act Khallice and Angra's members project Almah. He also is a founder and an owner of a large musical institute in his home city BrasÃlia called GTR, a columnist of the Cover Guitarra, Guitar Class and Guitar Player magazines and an Expo Music (Brazil) and NAMM (US) musical exhibitions participant. Endorser of Tagima guitars.