Pretty Little Angel Eyes – Curtis Lee (1961)

“The ‘50s progression (also known as the ‘Heart and Soul’ chords, the ‘Stand by Me’ changes, the doo-wop progression and the ‘ice cream changes’) is a chord progression and turnaround used in Western popular music. The progression, represented in Roman numeral analysis, is: I–vi–IV–V. For example, in C major: C–Am–F–G. As the name implies, it was common in the 1950s and early 1960s and is particularly associated with doo-wop. The first popular song to use the progression was Blue Moon, written in 1934. This inspired Heart and Soul in 1938 and Blueberry Hill in 1940. In Western classical music during the common practice period, chord progressions are used to structure a musical composition. The destination of a chord progression is known as a cadence, or two chords…