More wiki:
“...suppressive fire (commonly called covering fire) is "fire that degrades the performance of an enemy force below the level needed to fulfill its mission".”

Substitute “song” for “fire” and now you has bagpipes. War is hell.


More "standard" trivia: Juke box counters (totalisers) measured them by the “80-20.” The top 20% of the catalog produced 80% of the gross revenue. The “bread & butter” standards. The bottom 80% of the catalog, combined, was just 20% of the take.

The same rule (Pareto) holds for most individuals. You may know one hundred songs but, day-to-day, you'll get most of your enjoyment from your personal top twenty.