A Major 7th — Complete Guitar Arpeggio Guide Overview A Major 7th is a seventh arpeggio containing 4 notes: A, C#, E, G#. The formula 1-3-5-7 defines its interval structure. Dreamy, floating — the quintessential jazz/pop chord. This arpeggio belongs to the bright, stable major family and is commonly used in Jazz, R&B, Neo-Soul music. Music Theory The A Major 7th arpeggio uses the intervals Root (1), Major Third (3), Perfect Fifth (5), Major Seventh (7). Starting from A, each note is a specific interval above the previous degree. The A Major 7th arpeggio is constructed using the interval formula 1-3-5-7, which means it contains the intervals Root (1), Major Third (3), Perfect Fifth (5), Major Seventh (7) above the root A. The notes are A, C#, E, G#. An arpeggio differs from a scale in that it uses only the chord tones — the notes of the underlying chord played sequentially rather than simultaneously. The major arpeggio uses the root, major third, and perfect fifth — the same notes as the major triad. Key characteristics: Jazz, R&B, Neo-Soul. Sound & Character A Major 7th sounds bright, stable, and consonant. The major third (C#) gives it its characteristic happy quality, while the perfect fifth (E) provides harmonic stability. The additional notes (G#) add richness and color. The emotional feeling is one of brightness, resolution, and arrival. This arpeggio is the building block of Western harmony and appears in virtually every genre. Musical Applications A Major 7th is most commonly found in Jazz, R&B, Neo-Soul music. This arpeggio is a natural next step after mastering triads. Common uses include outlining Imaj7, IVmaj7 and creating melodic lines. Practice Recommendations Start with 5-minute sessions playing each note slowly and cleanly. Gradually increase to 10-minute metronome exercises, then 20-minute improvisation sessions. At 30 minutes, explore multiple fretboard positions and connect them smoothly. Record your practice to identify areas for improvement.