Rock and roll is a style of popular music that originated from the U.S in the mid-1950s, and by mid-1960s it had developed to an international style known as rock music, though the latter continued to be, rock and roll or rock 'n' roll or rock & roll. The music is associated with performers like Little Richard, Chuck Berry, Buddy Holly and the early Beatles. Instrumentation and arrangements are simple: three or four instruments, and, mostly the same number of cords while horns and strings and back up singers can be added.
Because that his way of drawing
The answer is minimalist music.
Minimalist music is based in frequent repetition which have small variations of a small musical idea.
Usually, it is a slowly changing common chords and common tones.
