Complex sentence: The group curated compilations of their material in 2002,2004 and 2005, but there have been no new recordings as Everything but the Girl since 1999--according to Thorn, the group is "currently mothballed".
Split into simpler sentences: The group curated compilations of their material in 2002 and 2005, but there have been no new recordings as Everything but the Girl since 1999. According to Thorn, the group is "currently mothballed".