The Kleptones "released" one of my favourite albums of all time. I almost wrote "favourite mash-up albums", but that's not true. A Night at the Hip-Hopera is one of my favourite albums overall, just like Girl Talk's Feed the Animals was my favourite album of 2008.
The Kleptones have a new album available for download here. It's called Uptime / Downtime and I'm downloading it as I type.
Here's the cover art. Do you recognize the city?