Humdrum lab 5

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This lab is about the wikifonia data.

Basic information

How many files

   ls *.krn | wc -l
   6710

How many have lyrics:

    grep -l "\*\*text" *.krn | wc -l
    5460

How many have chords:

    grep -l "\*\*text" *.krn | wc -l
    6282