Function dominant_seventh_to_minor_subdominant 

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

Resolves a dominant seventh in root position to the minor subdominant: music21’s dominantSeventhToMinorSubdominant.

Errors

As dominant_seventh_to_major_submediant.