The Results:
Marry The Night
Scheisse
Hair
Heavy Metal Lover
Marry the Night has the most number of fans followed by Scheisse, Hair and Heavy Metal Lover.
Most people said that MTN and Scheisse have the most potential to be a hit.
In my opinion, anything that GaGa releases can actually be a hit. It's all in the video, promotion, performances and hype build-up. An example is You and I which not many people thought would be a hit (including me) but it did. It's all in her team's strategies.
PS. Judas must be an exception, maybe it's because of the religious criticisms it received.