C Dominant 7th Flat 5 (C7b5) — Complete Guitar Chord Guide Overview C Dominant 7th Flat 5 is a altered chord built on the root C. The notes are C, E, Gb, Bb, following the formula 1 - 3 - b5 - b7. This chord is essential for guitarists exploring Jazz, Fusion music and appears in countless songs across multiple genres. The Dominant 7th Flat 5 quality gives it a distinctive harmonic character that provides sophisticated color. Music Theory The C Dominant 7th Flat 5 chord uses the interval formula 1 - 3 - b5 - b7, producing the Root (1), Major Third (3), Tritone (b5/#4), Minor Seventh (b7). The notes C, E, Gb, Bb define its unique sonic footprint. Constructing this chord begins with the C major scale (C D E F G A B). Stacking thirds beyond the seventh adds upper tensions. Playing Tips For advanced level players, C7b5 requires advanced finger positioning and voice-leading awareness. Explore inversions, extensions, and substitutions to fully exploit the chords harmonic potential. Musical Applications C Dominant 7th Flat 5 is most commonly found in Jazz, Fusion, Bebop music. Typical uses include adding sophisticated harmonic color in jazz, fusion, and contemporary contexts. Common chord progressions include C7b5 - Cmaj7 and C7b5 - Fmaj7. 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.