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 Brasília 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.
Marcelo Barbosa began playing electric guitar when he was 11 years old. He was studying with several teachers, mainly with Allan Marshall. At 17 years old he already was a professional musician and a musical teacher in two musical schools in his home city Brasília. He then decided to establish his own one, focused on the electric guitar. Besides organizing work and managing other teachers, Barbosa established his own entire approach instead of copying or adapting any already existed one and he wrote all the didactic material.
Marcelo also attended classes and workshops of musicians like Greg Howe, Lula Galvão, Hélio Delmiro, Toninho Horta, Guinga, Ian Guest among others. In 2002 he finished summer courses in the famous Berklee College of Music. As a result he was chosen with other 11 students to receive a scholarship for the college's regular course. However, it was not possible to continue due to GTR and his other responsibilities.
Some time before that Marcelo became a member of Brasília pop rock band Zero10. They released an EP and a full-length album Novo Dia and they play almost every week at different venues of the capital of Brazil. Later on, he would restart the band Khallice, which played the progressive metal he always liked.
In September 2007, Barbosa was invited to join the band Almah formed by some members of Angra  and he went into a national tour with the band. By spring 2008 the line-up of Almah was finally established. First, drummer Marcelo Moreira joined Edu Falaschi, Felipe Andreoli and Marcelo Barbosa. And then, another guitarist Paulo Schroeber joined Almah. In the end of April 2008 the recording of new Almah album Fragile Equality started at Norcal studios (São Paulo) and finished in July 2008.
Marcelo Barbosa writes articles for important guitar magazines in Brazil like Guitar Class, Cover Guitarra and Guitar Player. Some time ago Marcelo wrote a book about technique to the "Toque de Mestre" series, published by HMP.
Marcelo Barbosa is endorsed by Tagima, Elixir Strings, Nig pedals and Ibox. On Expomusic 2006 (a big musical exhibition in São Paulo) one of the most important guitar brands in Brazilian market TAGIMA released new MB-1, the guitar designed with Marcelo's specifications, which belongs to the select team of "Signature Series" of the company.
Nowadays his institute GTR is one of the biggest guitar schools in Latin America. GTR have already graduated over 4.000 students, with more than 600 people studying in two different units of GTR (Asa Norte and Asa Sul). Besides electric guitar, there are the courses of vocals, acoustic guitar, production, musical business and others. A number of events are frequently organized by GTR like festivals and workshops with musicians like Sidney Carvalho, Kiko Loureiro, Edu Ardanuy among others. To its 10th anniversary, GTR released a special 14 tracks CD recorded by some of the most prominent teachers.
Marcelo Barbosa (guitars): GTR is a project I've worked already for twelve years at. It began like a guitar Institute but now we have classes for bassists, vocalists and acoustic guitar players too. I’m responsible for all the didactic material of the guitar course and we have more than six hundred students in three schools. Four years ago I decided to franchise GTR and some people got interested and now we have three schools in Brasília. (...) It is relatively big. We have many students and it’s growing up year by year. We try to teach music, not only one specific style or genre. Rock, Metal, Jazz, Country and Brazilian music is some of the approaches here.
- Marcelo Barbosa (2008, compilation, demo)
- Prophecy (1996, demo)
- The Journey (2003, Hellion Records)
- The Journey (2006, Magna Carta) – re-release + bonus Stuck
- Inside Your Head (2008)
- Fragile Equality (2008, AFM Records, Laser, JVC)
Motion (album) 2011
Unfold (album) 2013
Compilations with Marcelo Barbosa
- Brazilian Great Music 2 (2007, Elixir Endorsers' compilation)
- GTR 10 Anos
- BMU 2005
- Guitarras Do Cerrado
Metal do Cerrado
- "Brazilian Progressive Metal". Guitar Nine Records. Retrieved 2009-01-24.
- "Almah interview". Spirit Of Metal. Retrieved 2009-01-29.
- Angelo, Maurício. "Biography". Marcelo Barbosa official website. Retrieved 2009-01-29.
- "Khallice Interview!!". PerfectProg.com. 2006-06-17. Retrieved 2009-01-24.
- Thrashmentor (#4-2008). "Almah interview". Terroraiser magazine (Ukraine). Retrieved 2009-01-29.
- "EDU FALASCHI's ALMAH Parts Ways With Guitarist, Announces Replacement". Blabbermouth.net. 2007-05-09. Retrieved 2009-01-24.
- Nery, Rafael (2008). "Guitar Clinic Interview". Guitar Clinic magazine. Retrieved 2009-01-29.[dead link]
- "GTR official website". GTR. Retrieved 2009-01-29.
- Marcelo Barbosa Official Website
- Marcelo Barbosa Official English Blog
- Marcelo Barbosa Official Portuguese Blog
- Marcelo Barbosa's GTR Institute
- Khallice Official Website
- Almah Official Website
- Zero10 Official Website