Complex sentence: Sverrisson founded Seria, an ensemble featuring Amedeo Pace (Blonde Redhead), Ólöf Arnalds, David Thor Jonsson, Anthony Burr, Eyvind Kang and Hildur Guðnadóttir in 2005 and released "Seria" in 2006 and "Seria ll" in 2010.
Split into simpler sentences: Sverrisson founded Seria, an ensemble featuring Amedeo Pace, Ólöf Arnalds, David Thor Jonsson, Anthony Burr, Eyvind Kang, and Hildur Guðnadóttir in 2005. He released "Seria" in 2006 and "Seria ll" in 2010.