Bonus d the song "one" in track selection, press your Enter button
at the next screen, press 1 then press your Enter button (you will notice the screen will stop and then reload)
repeat pressing 1 then press your Enter button until the fish tank appears, and wait for the trabi's to float past
The trabi or Trabant is an old german car, connected with east germany during communist times. U2 used the trabi in some of their album covers and videos.