If you are looking to cover the song yourself, it is known for its simple but effective structure: Primarily uses D minor 7 and G .
The track's iconic status led to it being heavily sampled by other artists, most notably in "Be Faithful". More recently, artists like Demae have released reinterpretations of the track to pay homage to Evans' legacy. Love Like This (2016 Remaster)
The foundation typically holds Dm7 for six counts followed by G for two counts. If you are looking to cover the song