I'm a huge Green Day fan so every album to me is good but 21st Century Breakdown is definitely one of the best albums Green Day has produced. 6 years was worth the wait coz 21st Century Breakdown could beat American Idiot any day. And to some who think that all of Green Day's songs sound the same, think again. There are some great melodic songs and some huge hard rocking pieces that you can jam too but either way, every song from the album is epic. Some amazing songs (and my favourites) from the album are East Jesus Nowhere and Before the Lobotomy.