Matteo Caldari is the singer/bassist of Italian punk rock band 7Years since 2001. He also played in bands like Seed'n'feed, The Sweat and Radio Mosquito. He collaborated with artists like Jasper Vergeer (Undeclinable), Mickey Leigh (Ramones), Jeff Caudill (ex Gameface), Chuck Ragan (Hot water music), Michael Vogelsang (ex Farside), Jonah Matranga (Far, Gratitude), Jamie Woolford (Let go, ex The Stereo), Yotam Ben Horin (Useless ID), Oliviero "Olly" Riva (The Fire, Shandon).