I Teoremi were an Italian progressive rock band formed in Rome in 1969. The group initially consisted of Gabriele Calano (guitars and vocals), Aldo Bellanova (bass, flute, and vocals), Claudio Mastracci (drums, percussion, and vocals). They later added Titus Gallen (vocals and harmonica) and Stefano Sabatini (keyboards). In 1972, the band released their self-titled debut album I Teoremi. After participating in Cantaestate 1972, the band disbanded. Aldo Bellanova joined Samadhi, Vincenzo Massetti moved to Thailand, Claudio Mastracci became a drummer for various artists including Lostprophets and Sergio Caputo, and Mario Schilirò became a prominent Italian guitarist, collaborating with numerous artists such as Antonello Venditti and Patti Pravo.
