A Augmented Major 9th (Aaug(maj9)) — Complete Guitar Chord Guide Overview A Augmented Major 9th is a augmented chord built on the root A. The notes are A, C#, F, G#, B, following the formula 1 - 3 - #5 - 7 - 9. This chord is essential for guitarists exploring Contemporary Jazz, Film Score music and appears in countless songs across multiple genres. The Augmented Major 9th quality gives it a distinctive harmonic character that creates dreamy, floating passages. Music Theory The A Augmented Major 9th chord uses the interval formula 1 - 3 - #5 - 7 - 9, producing the Root (1), Major Third (3), Minor Sixth (b6), Major Seventh (7), Major Ninth (9). The notes A, C#, F, G#, B define its unique sonic footprint. Constructing this chord begins with the A major scale (A B C# D E F# G#). Stacking major thirds creates the symmetrical augmented structure. Playing Tips For advanced level players, Aaug(maj9) requires advanced finger positioning and voice-leading awareness. Explore inversions, extensions, and substitutions to fully exploit the chords harmonic potential. Musical Applications A Augmented Major 9th is most commonly found in Contemporary Jazz, Film Score music. Typical uses include creating dreamy transitions, adding altered color to dominant harmony, and providing ethereal moments. Common chord progressions include . Practice Recommendations Start with 5-minute sessions focusing on clean articulation of each note. Gradually increase to 10-minute transition drills with a metronome, then 20-minute arpeggio and rhythm variation practice. At 30 minutes, apply the chord to full progressions at increasing tempos. Record your practice to identify areas for improvement.