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Altered Dominant Chords & The Altered Scale (7b9#9b5#5) in Jazz

What Is an Altered Dominant Chord?

An **Altered Dominant Chord (7alt)** alters the 5th and 9th scale degrees (b5, #5, b9, #9) to generate maximum harmonic tension that resolves smoothly into tonic I chords.

The Altered Scale Formula (1-b2-b3-b4-b5-b6-b7)

Constructed from the 7th mode of Melodic Minor, the Altered Scale contains every altered extension needed to solo over 7alt chords!

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