When your in the level TJ Backyard, there is a key near the old van. If you can get it, it will unlock Warehouse Rock. When you get the key,the screen will read "Unlocked Secret Level" or something like that.
When looking for the MTV Logos it's best to look around the surroundings, usually there is a hidden corner or ramp by a vert if the logo is in mid air When your adrenaline bar turns gold and you have the silver static on you try doing normal moves. The adrenaline makes you able to do the same moves as before but with a twist. Before: >+O would be no footer. After: One-handed Decade. The more gold sprockets earned the better the stats, I think it's 3 sprockets for 1 more stat.
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