The written root of a symbol ("Cb" from "Cbmaj7", "E#" from "E# major") when it names the pitch of stepsFromA4 in 12-TET; otherwise null.
"Cb"
"Cbmaj7"
"E#"
"E# major"
stepsFromA4
The written root of a symbol (
"Cb"from"Cbmaj7","E#"from"E# major") when it names the pitch ofstepsFromA4in 12-TET; otherwise null.