A# Altered Scale — Complete Guitar Scale Guide Overview A# Altered Scale is a jazz scale containing 7 notes: A#, B, Db, D, E, Gb, Ab. The formula 1 - b2 - b3 - 3 - b5 - #5 - b7 defines its interval structure. The 7th mode of melodic minor — 'super locrian.' Maximum tension. This scale belongs to the tension-driven dominant family and is commonly used in Jazz, Bebop, Fusion music. Music Theory The A# Altered Scale scale uses the intervals Root (1), Minor Second (b2), Minor Third (b3), Major Third (3), Tritone (b5/#4), Minor Sixth (b6), Minor Seventh (b7). Starting from A#, each note is 1 - b2 - b3 - 3 - b5 - #5 - b7 semitones above the previous degree. The A# Altered Scale scale is constructed using the interval formula 1 - b2 - b3 - 3 - b5 - #5 - b7, which means it contains the intervals Root (1), Minor Second (b2), Minor Third (b3), Major Third (3), Tritone (b5/#4), Minor Sixth (b6), Minor Seventh (b7) above the root A#. The notes are A#, B, Db, D, E, Gb, Ab. Starting from the A# major scale (A#, B, C, C#, D, D#, E, F, F#, G, G#, A), each interval contributes to its distinctive dominant character. Key characteristics: 7th mode of melodic minor. Every interval altered. Sound & Character A# Altered Scale sounds tense, bluesy, and directional. The combination of a major third and minor seventh creates the classic dominant tension that wants to resolve. The emotional feeling is restless and expectant. Essential for blues, jazz, and any context requiring harmonic tension and resolution. Musical Applications A# Altered Scale is most commonly found in Jazz, Bebop, Fusion music. This advanced scale opens up sophisticated musical possibilities. Common uses include V7alt, V7#9b13. 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.