The minor pentatonic scale is one of the most widely taught five note scales in rock, blues and pop guitar, built from a root, minor third, fourth, fifth and minor seventh. Clips focusing on just the fourth and fifth degrees circulate in lesson libraries and practice playlists because those two steps are easy to memorise and form the backbone of many simple riffs. Short excerpts like this are shared among beginners who break the full scale into smaller chunks, making daily practice and online tutorials easier to follow and repeat.