Collect 20 text files, each with the lyrics to your twenty favourite songs. Then write a program to determine the top 5 most frequent words in the songs. Do not include in your list words any "stop" words. Here is where you can find a list of common stop words for English: http://www.textfixer.com/resources/common-english-words.txt. Your songs can be in any language, just make sure to eliminate the list of stop words for the language of the songs.