vi–ii–V–I

Full circle progression in C major[4] Play .

Dominant seventh in circle progression in Charlie Parker's

In music, the vi–ii–V–I progression is a chord progression (also called the circle progression for the circle of fifths, along which it travels). It is "undoubtedly the most common and the strongest of all harmonic progressions" and consists of "adjacent roots in ascending fourth or descending fifth relationship", with movement by ascending perfect fourth being equivalent to movement by descending perfect fifth due to inversion.

单词	Circle progression
释义	Circle progression 英语百科 vi–ii–V–I In music, the vi–ii–V–I progression is a chord progression (also called the circle progression for the circle of fifths, along which it travels). It is "undoubtedly the most common and the strongest of all harmonic progressions" and consists of "adjacent roots in ascending fourth or descending fifth relationship", with movement by ascending perfect fourth being equivalent to movement by descending perfect fifth due to inversion.
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Circle progression

vi–ii–V–I