[{"data":1,"prerenderedAt":4},["ShallowReactive",2],{"chart:red-cross":3},"title: Red Cross\ncomposer: Charlie Parker\nstyle: Medium Swing\nkey: Bb\nform: AABA, 32 bars\n# analysis: 2026-10-31, rules v2; Bb\n\nsection: A1\n1 | Bb  # tonic: the 4th is in the key\n2 | Bb\n3 | Bb\n4 | Bb\n5 | Bb\n6 | B   # ♭II, borrowed from Bb Phrygian: Lydian (its ♯11 is in the key)\n7 | Bb  # tonic: the 4th is in the key\n8 | Bb\n\nsection: A2\ncopy: A1\n\nsection: B\n1 | D7  # extended dominant: each one falls a fifth into the next: natural tensions\n2 | D7\n3 | G7  # extended dominant: each one falls a fifth into the next: natural tensions\n4 | G7\n5 | C7  # V7 of V7: the dominant of the dominant: natural tensions\n6 | C7\n7 | F7  # V7 of Bb: natural tensions\n8 | F7\n\nsection: A3\n1 | Bb  # tonic: the 4th is in the key\n2 | Bb\n3 | Bb\n4 | Bb\n5 | Bb\n6 | B   # ♭II, borrowed from Bb Phrygian: Lydian (its ♯11 is in the key)\n7 | Bb  # tonic: the 4th is in the key\n8 | Bb\n",1793575899109]