From wikipedia:

The Konami Code, known in Japan as the Konami Command (コナミコマンド, Konami Komando), is a cheat code thats appears in many Konami video games. The code also appears in some non-Konami games. The code was first used in the 1986 release of Gradius for the Nintendo Entertainment System but was made famous in North America in the NES version of Contra. While pausing the game or during the title screen, the player presses the following sequence of buttons on the game controller:

↑ ↑ ↓ ↓ ← → ← → B A

In tribute to the Konami code, here is the mixtape for this week:

Dat Politics – Up Up down Ok !
Stars – Look Up
The Arcade Fire – Wake Up
Men At Work – Down Under
David Bazan’s Black Cloud – Let Down
Air – Left Bank
The Decemberists – Red Right Ankle
Zero 7 – left behind
Elliott Smith – Half Right
British Sea Power – Oh Larsen B
Justice – D.A.N.C.E
Voxtrot – The Start Of Something