AbCEbF

AbCEbF is a compact string sometimes used to indicate a set of musical pitches. When read as pitch letters, it can be parsed as Ab, C, Eb, and F, with the lowercase “b” signaling a flat on E (Eb).

These four notes form an Ab major triad (Ab–C–Eb) with an added sixth (F). In common chord notation this collection is typically written as Ab6, though spelling conventions vary and some sources may use related labels such as Abmaj6 for specific arrangements.

In practice, Ab6 can function as a tonic-color chord in the key of Ab major or as a passing or neighboring harmony in related keys. It offers a stable root with a rich color from the C and Eb third and fifth, plus the conclusive lift of the sixth.

AbCEbF is not a standard symbol in formal music theory; it is a compact, text-based representation that may appear in data listings, chord sheets, or algorithmic contexts. Its precise interpretation depends on the conventions in use, but the most common reading associates it with the Ab6 sonority described above.

See also: chord, major triad, sixth chord, Ab major.