The 4-note 1235 pattern, also known as the Coltrane Pattern, is a sequence often used in jazz improvisation and composition. It involves taking a major scale and selecting the 1st, 2nd, 3rd, and 5th notes of that scale. This pattern is named after John Coltrane, who frequently used it in his solos and compositions, particularly in the context of playing over chord changes. How It Works: If you're in the key of C major, the 1235 pattern would be C (1), D (2), E (3), and G (5). Over a Dm7 chord, y