A Prometheus Scale — Complete Guitar Scale Guide Overview A Prometheus Scale is a world scale containing 6 notes: A, B, C#, Eb, F#, G. The formula 1 - 2 - 3 - b5 - 6 - b7 defines its interval structure. Used by Scriabin — 'Mystic scale.' No perfect 5th. This scale belongs to the exotic, world-music character and is commonly used in Classical, 20th Century, Experimental music. Music Theory The A Prometheus Scale scale uses the intervals Root (1), Major Second (2), Major Third (3), Tritone (b5/#4), Major Sixth (6), Minor Seventh (b7). Starting from A, each note is 1 - 2 - 3 - b5 - 6 - b7 semitones above the previous degree. The A Prometheus Scale scale is constructed using the interval formula 1 - 2 - 3 - b5 - 6 - b7, which means it contains the intervals Root (1), Major Second (2), Major Third (3), Tritone (b5/#4), Major Sixth (6), Minor Seventh (b7) above the root A. The notes are A, B, C#, Eb, F#, G. Starting from the A major scale (A, A#, B, C, C#, D, D#, E, F, F#, G, G#), each interval contributes to its distinctive exotic character. Key characteristics: No P5 = floating. Promethean/Mystic. Sound & Character A Prometheus Scale has a distinctive, exotic sound with unique intervallic character. Used by Scriabin — 'Mystic scale.' No perfect 5th. The emotional feeling is distinctive and evocative. This scale creates sounds rarely heard in standard Western harmony, making it a powerful tool for creating unique musical atmospheres. Musical Applications A Prometheus Scale is most commonly found in Classical, 20th Century, Experimental music. This advanced scale opens up sophisticated musical possibilities. Common uses include Complex. 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 over backing tracks. At 30 minutes, explore multiple fretboard positions and connect them smoothly. Record your practice to identify areas for improvement.