Its a song from The Matrix, its not really a loop, it just fades in and out, but its my first song for Blockland
Oops, i forgot about the Blockhead ones XD
Here's the download
The Matrix - Clubbed to Death - 1.56MBPut it in C:\Program Files\Blockland, then when starting a server, click the Music button then check ClubbedtoDeath, then place a music brick, then use the wrench on it