Came across this fascinating clip about the “Amen Break”, a 5 second sample taken from a 1960 b-side recording by a funk and soul bank. Amazingly this loop became the basis for drum-and-bass and jungle music. Not to mention that it has been used on numerous hip-tracks too.
Watch the video below and check out the Wikipedia page for more info
BTW if you ever played with MOD trackers in the 90's then check out Sony's free ACID Xpress and relive those glory days :)