A Minor Major 9th (Am(maj9)) — Complete Guitar Chord Guide Overview A Minor Major 9th is a minor chord built on the root A. The notes are A, C, E, G#, B, following the formula 1 - b3 - 5 - 7 - 9. This chord is essential for guitarists exploring Jazz, Contemporary music and appears in countless songs across multiple genres. The Minor Major 9th quality gives it a distinctive harmonic character that adds emotional depth and melancholy. Music Theory The A Minor Major 9th chord uses the interval formula 1 - b3 - 5 - 7 - 9, producing the Root (1), Minor Third (b3), Perfect Fifth (5), Major Seventh (7), Major Ninth (9). The notes A, C, E, G#, B define its unique sonic footprint. Constructing this chord begins with the A major scale (A B C# D E F# G#). Taking the 1st, flatted 3rd, and 5th gives the minor triad — the flat 3rd creates the darker quality. Playing Tips For advanced level players, Am(maj9) requires advanced finger positioning and voice-leading awareness. Explore inversions, extensions, and substitutions to fully exploit the chords harmonic potential. Musical Applications A Minor Major 9th is most commonly found in Jazz, Contemporary, Fusion music. Typical uses include creating emotional depth in verses, serving as the tonic in minor-key songs, and adding contrast in major-key progressions. 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.