Insane or Genius?

Are these songs insanely good or super crazy? Play along and find out.

Insane or Genius?
Gigi D'Agostino - The Riddle ChordsGigi D'Agostino - The Riddle2025 jam sessions · chords:
Aqua - Barbie Girl ChordsAqua - Barbie Girl9192 jam sessions · chords:
Cher - Believe [Official Music Video] ChordsCher - Believe [Official Music Video]6096 jam sessions · chords:
Sisqo - Thong Song ChordsSisqo - Thong Song1704 jam sessions · chords:
Tarkan** simarik HD ChordsTarkan** simarik HD1005 jam sessions · chords:
Eiffel 65 - Blue (Da Ba Dee) ChordsEiffel 65 - Blue (Da Ba Dee)5613 jam sessions · chords:
O-Zone - Dragostea Din Tei [Official Video] ChordsO-Zone - Dragostea Din Tei [Official Video]3699 jam sessions · chords:
Hanson - MMMBop (Official Video) ChordsHanson - MMMBop (Official Video)17751 jam sessions · chords:
Vengaboys - We like to Party! (The Vengabus) ChordsVengaboys - We like to Party! (The Vengabus)2031 jam sessions · chords:
Scatman (ski-ba-bop-ba-dop-bop) Official Video HD -Scatman John ChordsScatman (ski-ba-bop-ba-dop-bop) Official Video HD -Scatman John2376 jam sessions · chords:
Spice Girls - Wannabe ChordsSpice Girls - Wannabe10413 jam sessions · chords: