Complex sentence: Lou Diamond decided to start a new band containing light-hearted, Tongue-in-cheek lyrics, and upbeat, energetic instrumentals which was a departure from the emotionally sincere lyricism displayed in the mostly-acoustic Panucci's Pizza.
Split into simpler sentences: Lou Diamond decided to start a new band containing light-hearted, Tongue-in-cheek lyrics, and upbeat, energetic instrumentals. This was a departure from the emotionally sincere lyricism displayed in the mostly-acoustic Panucci's Pizza.