Procyon were from Almada, Lisbon. Formed in 1982 by João Vasco Marques guitar and Paulo McVictor bass. On December 1984 Mané Ribeiro drums and Tó-Zé Russo vocals completed the first Procyon line up. From November to December 1987 Procyon entered the Espírito Santo studios, located in Almada, in a total of 17 hours to record, mix and produce, their first demo tape titled "Obsessed By Time". The tape included 4 songs: "Obsessed By Time", "Claustrophobic", "Blessed By a Dead King" and "Ritual Of Agony". To promote the demo they performed live on December 20th at the Rock Rendez Vous. In June 5th 1988 they would returne to the RRV and in October 15th they headline the first Heavy Metal Festival in Fogueteiro, with Braindead and Thormenthor. After this high point and promising career of the group, another major event affects the stability and evolution of the group, when two of the founding members, Vasco and Paulo, decided to leave the band. After several auditions, Daniel bass and Jorge Facas guitar joins Procyon. With the line-up consisting of Mané Ribeiro drums, Daniel bass, Jorge Facas guitar, Pedro Silva guitar and Nuno Torres vocals, new material is made, resulting in the 3 track CD EP "Read My Lips". Released in 1994 by Morgana Records, included the tracks "Read My Lips (I Won`t Lie)", "Wrong Song" and "Waterballgrey". With Ramp and Web the band played live in Porto at the secundary school Soares dos Reis. Procyon would performe their last concert in Santarém. During compositions, musical differences begin to divide the band and at the end of 1995 Procyon splits.

Coming from the South Bay of the Tejo, Cruzumana are musically marked by complex four-voice games and the crudity of crusading rock with ethnic and atmospheric environments. This collective bases its poetry on a fierce defense of the Portuguese language applied to stories that describe the feeling of the human being in experiences that belong to all of us. Following the albums “E tu... tudo bem?!?” (2006) and "Mais que um esboço" (2009), which include numerous interactive components developed by Rosa Castela (namely a virtual book with texts by Susana Moura and illustrations by João Pires and Roger Jordão), Cruzumana offer two show formats (Electric and Semi-Acoustic) involving multimedia, video, contemporary dance and traditional percussion, as well as their rock crudeness.

Prior to Da Weasel, João Nobre founded and played guitar at Braindead, Almada's band that started playing Trash Metal but, upon reaching the first album, alienated part of the followers with influences of Funk Metal and Rap, styles that would flourish throughout the world. its splendor throughout the 1990s. "Blend" was the first album of a Portuguese band to sing in English, edited by Valentim de Carvalho. The album is well received and makes Braindead a band with a good acceptance from the public. Then follows the next album, “Room Landscapes” 1994, the band's last record and received in a less warm way. In 1996 the group would bring down the backdrop of their career for good. Noble John (Jay Jay Neige) goes to Da Weasel and Vasco Vaz in the Mão Morta.