Complex sentence: Since 2004, Hewitt has remained inactive in the music industry, but she released the compilation albums' (2006) in Asia and "Hey Everybody" (2007) in Brazil.
Split into simpler sentences: Since 2004, Hewitt has remained inactive in the music industry, but the compilation album' (2006) was released in Asia. Another compilation, "Hey Everybody" (2007), was released in Brazil.