This chord, X7#9#11, appears in a song by one of my favorite Brazilian composers, Marcos Valle. It's not recognized in BIAB. I've substituted X7b5#9 but wondered if this chord could be added, even if remapped?


BIAB 2026 Win Audiophile. Software: Fender Studio One 8, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Presonus Quantom HD8 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.