This particular cadence, V–I, is known as an authentic cadence. The most conclusive and resolving cadences return to the tonic or I chord following the circle of fifths, the most suitable chord to precede the I chord is a V chord. The destination of a chord progression is known as a cadence, or two chords that signify the end or prolongation of a musical phrase. In Western classical music during the common practice period, chord progressions are used to structure a musical composition.

This inspired Heart and Soul in 1938 and Blueberry Hill in 1940.

The first popular song to use the progression was Blue Moon, written in 1934. As the name implies, it was common in the 1950s and early 1960s and is particularly associated with doo-wop. The progression, represented in Roman numeral analysis, is: I–vi–IV–V. The '50s progression (also known as the ' Heart and Soul' chords, the ' Stand by Me' changes, the doo-wop progression : 204 and the ' ice cream changes' ) is a chord progression and turnaround used in Western popular music.

Chords tell me why beatles