There are plenty of jazz-pop albums in the rock era that, on paper, never should have worked but did and still do, exceptionally well. Joe Pass's The Stones Jazz (1966) is one. Paul Desmond's Bridge Over Troubled Water (1970) is another. Add Lena & Gabor (1970) to the list.
The album by vocalist Lena Horne and guitarist Gábor Szabó (above) was released o…