A Minor Triad — Complete Guitar Arpeggio Guide Overview A Minor Triad is a triads arpeggio containing 3 notes: A, C, E. The formula 1-b3-5 defines its interval structure. The fundamental minor chord — dark, melancholic, and introspective. This arpeggio belongs to the dark, expressive minor family and is commonly used in Rock, Pop, Blues music. Music Theory The A Minor Triad arpeggio uses the intervals Root (1), Minor Third (b3), Perfect Fifth (5). Starting from A, each note is a specific interval above the previous degree. The A Minor Triad arpeggio is constructed using the interval formula 1-b3-5, which means it contains the intervals Root (1), Minor Third (b3), Perfect Fifth (5) above the root A. The notes are A, C, E. 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 minor arpeggio uses the root, minor third, and perfect fifth — creating the darker minor quality. Key characteristics: Rock, Pop, Blues. Sound & Character A Minor Triad sounds dark, melancholic, and introspective. The minor third (C) is the defining interval — one half step lower than a major third, creating a somber, emotional quality. The triad structure is pure and expressive. The emotional feeling is one of depth, contemplation, and emotional seriousness. This arpeggio is essential for conveying sadness, introspection, and dramatic intensity. Musical Applications A Minor Triad is most commonly found in Rock, Pop, Blues music. This is one of the first arpeggios every guitarist learns. Common uses include outlining i, iv, v 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.