C Minor Major 7th (Cm(maj7)) — Complete Guitar Chord Guide Overview C Minor Major 7th is a minor chord built on the root C. The notes are C, Eb, G, B, following the formula 1 - b3 - 5 - 7. This chord is essential for guitarists exploring Jazz, Film Score music and appears in countless songs across multiple genres. The Minor Major 7th quality gives it a distinctive harmonic character that adds emotional depth and melancholy. Music Theory The C Minor Major 7th chord uses the interval formula 1 - b3 - 5 - 7, producing the Root (1), Minor Third (b3), Perfect Fifth (5), Major Seventh (7). The notes C, Eb, G, B define its unique sonic footprint. Constructing this chord begins with the C major scale (C D E F G A B). Taking the 1st, flatted 3rd, and 5th gives the minor triad — the flat 3rd creates the darker quality. Playing Tips For advanced level players, Cm(maj7) requires advanced finger positioning and voice-leading awareness. Explore inversions, extensions, and substitutions to fully exploit the chords harmonic potential. Musical Applications C Minor Major 7th is most commonly found in Jazz, Film Score, 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 Cmmaj7 - Fmaj7 - Gbdim and Cmmaj7 - {b6}maj7 - G7. 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.