Ms. Allen mixes chords and tone clusters, toying with harmonic ambiguities and coming up with long lines that keep veering away from the predictable.

The "Cuban Overture" is filled with harmonic ambiguity.

The latter piece had a harmonic ambiguity that made it fairly rare in this afternoon of simplicities.

Most evident in Michael's music is a rich use of both traditional and extended harmony balanced with sections of harmonic ambiguity and atonality.

Tania Leon's "Paisanos Semosi," played on guitar by Ana Maria Rosado, heard popular tonalities through harmonic ambiguity.

It opens with a slow (molto lento) theme of harmonic ambiguity, followed by a second theme, equally ambiguous in key, though nominally in D major.

There are deliberate dissonances and harmonic ambiguities that Pinkas describes as "taking tonality to its limit while still maintaining a single key."

There is a certain degree of harmonic ambiguity throughout, but nothing that compares to the opening of the first movement.

Although the key is C major, there are moments of harmonic ambiguity, as in the preceding movements.

This security quickly dies away in harmonic ambiguity, leaving two beats of non-tonic silence in which to begin the next variation.