Complex sentence: Despite receiving poor and scathing reviews, the album ended up being a surprise success for the group going Gold, becoming the second Gold album for the Chipmunks, their first being "Chipmunk Punk".
Split into simpler sentences: Despite receiving poor and scathing reviews, the album ended up being a surprise success for the group going Gold. It would become the second Gold album for the Chipmunks, their first being "Chipmunk Punk".