Complex sentence: It is his second greatest hits collection (The first being "Ten Commandments" released in 1990 and now out of print) and its initial, limited edition 2 CD pressing contained five previously unreleased songs.
Split into simpler sentences: It is his second greatest hits collection (the first being "Ten Commandments", released in 1990 and now out of print). Its initial, limited edition 2-CD pressing contained five previously unreleased songs.