1 in 5 country music songs refers to alcohol, 1 in 3 to tears, 1 in 7 to mama:

The odds a Top 100 country song will refer to alcohol are 1 in 5. The odds one of these songs will contain a reference to “mama” are 1 in 7.14. The odds one will contain a reference to the word “train” are 1 in 11.11 and the odds one will contain a reference to the word “prison” are 1 in 33.33. Least surprising, the odds one of the songs will contain a reference to tears or crying are 1 in 3.23.