Who were the female backup singers on the record this old heart of mine with Rod Stewart and Ron Isley?

On the record "This Old Heart of Mine," Rod Stewart and Ron Isley featured backup vocals from the renowned female group The Emotions. The Emotions, known for their soulful harmonies, contributed significantly to the track's rich sound. Their involvement added depth and a vibrant quality to the song, complementing the lead vocals of Stewart and Isley.