Diana Ross' voice used to really underwhelm me and i thought it wet and weedy (I once described her perfoamnce on Motown singles as being 'like a wet tissue breaking over a runaway train'). But in recent years I've come around to it.
And the way she sings on I'm Gonna Make You Love Me is a massive overwhelmer. The way she delivers 'I'm gonna use every trick in the book'; every fuckin time mate, every fuckin time.