This Python script will find and return the most frequently appearing lyric of a song. In the case where there is more than one lyric, it will return the lyric that appears first in the song.
This script accepts song lyrics only as .txt files. A sample file is provided named song.txt that contains the lyrics to Don't Stop Believin' by Journey, but feel free to add your own .txt file to the direcctory.
Make sure to input the filename after running the script to return results.