Complex sentence: The group signed to Michael Gudinski's label, Liberation Music, and released its debut extended play (EP), "The Temper Trap", in November 2006 through the label; the EP was produced by Scott Horscroft (The Sleepy Jackson, Silverchair).
Split into simpler sentences: The group signed to Michael Gudinski's label Liberation Music, which released their debut extended play, "The Temper Trap", in November 2006. It was produced by Scott Horscroft (The Sleepy Jackson, Silverchair).