C Quartal Arpeggio — Complete Guitar Arpeggio Guide Overview C Quartal Arpeggio is a modal arpeggio containing 4 notes: C, F, Bb, D#. The formula 1-4-b7-#10 defines its interval structure. Stacked 4ths — modern, open sound. This arpeggio belongs to the modern, open modal voicing and is commonly used in Modern Jazz, Fusion, McCoy Tyner music. Music Theory The C Quartal Arpeggio arpeggio uses the intervals Root (1), Perfect Fourth (4), Minor Seventh (b7), Sharp Ninth (#9). Starting from C, each note is a specific interval above the previous degree. The C Quartal Arpeggio arpeggio is constructed using the interval formula 1-4-b7-#10, which means it contains the intervals Root (1), Perfect Fourth (4), Minor Seventh (b7), Sharp Ninth (#9) above the root C. The notes are C, F, Bb, D#. 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 modal arpeggio uses non-traditional interval stacking for modern sounds. Key characteristics: Modern Jazz, Fusion, McCoy Tyner. Sound & Character C Quartal Arpeggio sounds modern, open, and harmonically ambiguous. The non-traditional interval stacking creates a fresh, contemporary sound. The emotional feeling is open, spacious, and innovative. Used in modern jazz and fusion for modal exploration. Musical Applications C Quartal Arpeggio is most commonly found in Modern Jazz, Fusion, McCoy Tyner music. This advanced arpeggio opens up sophisticated harmonic possibilities. Common uses include outlining Sus4, m11 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.