In 1983, Marco Bosco recorded his first solo album "Metalmadeira" (Arco Íris/Odeon) with the participation of Belchior, Luli & Lucina, Ruriá Duprat, Nico Resende and Nico Assumpção and others. Metalmadeira means metal and wood that written together, show the word soul (ALMA), Using metal and wood instruments Marco Bosco explores sounds and images from the works of the Artist Andre Peticov. Album recorded and released in 1983, recorded analogous in 8 channels, produced and conceived in several overdubbings and reductions used at the time to permit use more instruments. Marco Bosco already have a cartel enough to put it or design it among the biggest names in Brazilian music. Folha de Londrina-July, 1985 The album "Metalmadeira" from Marco Bosco is undoubtedly a serious work and creative. Diário de Pernambuco-Recife-July, 1984