Quasiviri are a trio that formed in 2006 in Milan, Italy, made up of Chet Martino on eight string bass, Roberto Rizzo on synth and André Arraiz-Rivas on drums.

Chet currently plays in the folk-soundtrack band Ronin (led by Bruno Dorella, "Lemming" 2007 Ghost Records, “Vogliamo anche le rose” 2008 Warner/Rhino, “L’Ultimo Re” 2009 Ghost Records, “Fenice” 2012 Santeria), and was also part of the math-rock project Pin Pin Sugar ("Latex Duellos" 2003 Bar La Muerte/Megaplomb).
Roberto has played for the last ten years in the freak-rock band R.U.N.I. ("Il Cucchiaio Infernale" 2001 Wallace, "Ipercapnia in Capannone K" 2003 Wallace, "Fula Fula Fular" 2008 Wallace/Megaplomb, “RRRRUUUUNNNNIIII” 2010 Wallace/Bar La Muerte/Megaplomb).
André, before moving to Milan, was a part of the contemporary jazz scene in Toronto. Apart from leading his own quintet, he was part of the Breaking Sounds project led by Robert Piilonen.
He currently plays with Satan Is My Brother (“A Forest Dark” 2011 Boring Machines) and his quartet Mondongo with Piero Bittolo Bon, Francesco Bigoni and Giacomo Papetti (“Transparent Skin” 2010 Megaplomb).
Chet and André also performed live with Nicola Ratti (folk, electro-acoustics) and have contributed to his album "Ode", relased by the Australian label Preservation.
Quasiviri debut album “The Mutant Affair” released in 2009 by Wallace Records and Megaplomb, was recorded at Specktrum Studio in Zeccone (PV) and mastered bt Giuseppe Ielasi in Milan.
Subsequent "Freak of Nature" came out in April 2012 with the label To Lose La Track joining Wallace Records and Megaplomb. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.