There are several artists under the name Jonas: 1) Jonas was a german rock band from bad bentheim which was active between 1999 and 2001. Members included Mathias Exler, Jan vanTriest, Ole Petras and Sebastian Fremder. They released two full albums, "September Sex Relationship" and "Sorry, I'm sorry, sorry". Two of the band members later played in Union Youth. 2) Jonas is a Danish Soul artist who started playing music at an early age. After having played in numerous bands during his teenage years, Jonas formed the soul band Jonz with 4 other talented musicians.