struct { modified_degree_t degrees[5]; const char *name; } pentachords[] = {
/* Sixth plus 9 */
{ {{1, 0}, {9, 0}, {3, 0}, {5, 0}, {6, 0}}, "6/9" },
- { {{1, 0}, {9, 0}, {3, 0}, {5, 0}, {6, 0}}, "m6/9" },
+ { {{1, 0}, {9, 0}, {3, -1}, {5, 0}, {6, 0}}, "m6/9" },
+ { {{1, 0}, {9, -1}, {3, -1}, {5, 0}, {6, 0}}, "m6/♭9" },
/* Seventh plus altered 9 */
{ {{1, 0}, {9, +1}, {3, 0}, {5, 0}, {7, -1}}, "7♯9" },
{ {{1, 0}, {9, -1}, {3, 0}, {5, 0}, {7, -1}}, "7♭9" },