Marcelo Barbosa is a Brazilian guitar player and music professor. He is a founder or member of a few important Brazilian bands like progressive metal act Khallice and former Angra vocalist Edu Falaschi's band Almah. He also is a founder and an owner of a large musical institute in his home city Brasília called GTR, a columnist of the Cover Guitarra, Guitar Class and Guitar Player magazines and an Expo Music and NAMM musical exhibitions participant. Endorser of Tagima guitars. Since September 2015, he is also Angra's touring guitarist replacing Kiko Loureiro, who is now a member of Megadeth.