song similarity algorithm decrease false positive rate

[yss14]

Acceptance Criteria:

• evolve and adjust the song similarity algorithm such that false positive rate is decreased (with a similarity threshould of 0.5-0.6)
• verify with the help of sample-based unit tests

False Positive Samples:

• Song Quiet Hope (Extended Mix) - Farius Detected Duplicate Marsh - Florence (Elif Extended Mix)
• Song Kolonie - Way of Life (Extended Mix) Detected Duplicate Marsh - Florence (Elif Extended Mix)