Pedro Aznar (born 23 July 1959) is an Argentine musician and singer-songwriter. He has a musical experience in jazz, Argentine folk and rock music and has a successful career as a solo artist. He is well known for giving rock songs a jazz-oriented style, by playing the fretless bass, with a big influence from Jaco Pastorius. Is a multi-instrumentalist and the author of several books of poetry published in Argentina. He plays an important part in Argentine rock, where in the mid-1970s, he had va ...