"Athletic Theme (Alpha Mix) - Super Mario Land 2" is a high quality rip of the alpha mix of "Athletic Theme" from Super Mario Land 2.
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Audio clips from the video "Ventrilo Harassment - World Of Warcraft Nerd", originally uploaded by VideoCompiler, are roughly pitch-shifted to the advertised track. It is done in the same style as "4 - STR 4 - Stam Leather Belt? The Song!", which roughly pitch-shifts the same clips to the overworld theme from Super Mario Land, in contrast to "Overworld Theme (Alpha Mix) - Super Mario Land" where the pitch shifting is changed to actually match the notes.