Composer and double bass player Adriano Orrù was born in Nuoro, Italy in 1958 and currently lives in Cagliari, Italy. He devotes his time to jazz, radical improvisation, chamber music. He also works as a music teacher. In addition Meloni and Oxley, Orrù has collaborated with artists such as Giancarlo Schiaffini, Paolo Fresu, Ettore Fioravanti, Roberto Cipelli, Marco Tamburini, Tino Tracanna, Andy Gravish, Tim Hodkinson, Victor Nubla, Simon Balestrazzi, Mauro Cossu, Clara Murtas, Alessandro Garau, Stefano Figliola, Alessandro Olla, Paolo Angeli, Manuel Attanasio, Mauro Usai, Paolo Sanna, Roberto Pellegrini, Riccardo Pittau, and Massimo Carboni.
Together with the pianist Silvia Corda, he co-wrote a performance for six musicians and a spoken voice entitled Portrait in Three Colors, which was dedicated to Charles Mingus. Orrù currently appears with the Silvia Corda Trio, and several of his compositions can be heard on Impronte, a CD produced by Splasc(h) in 2001. In 2004, he established the composition and improvisation ensemble Impromptu featuring Giancarlo Schiaffini. In 2005, he released his first CD as a solo artist, Solos and Duets, featuring Giancarlo Schiaffini on trombone, Paolo Angeli on Sardinian prepared guitar, and Roberto Pellegrini on percussion. He has also worked with Moex, an ensemble focused on electric-acoustic experimentation.