Self-taught guitarist, born in São Paulo, Marcinho Eiras is also a singer and composer, considered by the specialized media, one of the greatest musicians of his generation.

Known for his talent, virtuosity, and develop an unconventional technique, the "Touch Technique", similar to a piano and can play two guitars simultaneously.

Between work, recordings and appearances, has performed alongside major Brazilian and international artists such as: Dominguinhos, Toninho Horta, Tommy Emmanuel, Arthur Maia, Stanley Jordan, Muriel Anderson, Léo Maia, Claudio Zoli, Kiko Loureiro, Tomati, Cuca Teixeira, Sandro Haick, Eddy Palermo, Mozart Mello, Aretha Marcos, Jair Oliveira, Sandra de Sá, Ivete Sangalo, Gabriel Pensador, Junior Lima, Claudia Leite, Vanessa da Mata, Dom Paulinho Lima, Vanessa Jackson, Simoninha, Max de Castro, Agnaldo Rayol, Alcyone, Daniel, Alexandre Pires, Reginaldo Rossi e Zeze de Camargo e Luciano.

Marcinho Eiras was part of two of the famous and most important band of Brazilian television programs. Between 2005 and 2010 in programa "Domingão do Faustão" and in 2013 in the "Programa do Jô", both in Globo televion network. Marcinho released three solo CDs "My Project" - 2004, Brazilian Jazz"Gerações" - 2006, Chorinhos "Marcinho Eiras & You Guys" - 2010, Soul and Pop Music. Besides numerous concerts and workshops throughout Brazil, Marcinho has performed in Costa Rica, Thailand, Australia, Romania, Greece, Italy, Germany, England, China, Indonesia, Austria and South Africa. Since 2007, Marcinho Eiras signs a guitar model by Tagima brand, "Tagima Marcinho Signature Eiras, ME-1", and in 2011 launched a special line of guitars hand painted, "Tagima Custom Colors by Marcinho Eiras".
Marcinho Eiras is sponsored by Tagima Guitars, Cables Santo Angelo, Effects Roland / Boss, Strings SG, Ibox Accessories, Bags AVS, Iron Case and Microphones LeSon.