Function diminished_seventh_to_major_subdominant 

pub fn diminished_seventh_to_major_subdominant(
    possibility: &[Pitch],
    info: Option<&ChordInfo>,
) -> Result<Vec<Pitch>>

Resolves a diminished seventh to the major subdominant: music21’s diminishedSeventhToMajorSubdominant.

Errors

As diminished_seventh_to_major_tonic.