At high school he studied music, among other things, playing piano, bass guitar and “a little of the drums”.

He played bass in - and was “chief style consultant” in a band and appeared on local TV in Sollentuna.

Much influenced by Les Misérables, “1956” linked the Hungarian Uprising of 1956 with the demonstrations in Gothenburg in 2001 against President George W Bush and American foreign policy.

In 2007 Jonas applied to audition for one of the teenager roles in Andra Avenyn, a lavish Swedish TV soap opera set in Gothenburg.

In December 2008, he suffered an unprovoked, physical assault at a student dance/gathering, where he was appearing as a favour to a girl friend.