How to compare 2 songs?
In order to structure a comparative essay at this level it is best to break the pieces down, and compare and contrast them in terms of their melody, rhythm, harmony, instrumentation, texture and structure (use the acronym MR HITS as a memory aid).
How do I compare two audio files in audacity?
Re: Comparing two supposedly identical tracks.
Import them both into Audacity. Apply the "Invert" effect to one of the tracks. Select both tracks, then from the "Tracks menu > Mix and Render". If the tracks were identical, the result will be silence.