Bill Withers/Fontella Bass: Hammersmith Odeon, London

IN THESE days when it's applied with alarming frequency to practically every new talent that emerges, the word "genius" as with so many other superlatives is in danger of losing its meaning. There are those whose musical genius as such is captured in the studios and then again, there are those whose live appearances ignite the flame, providing the necessary stimulus for their brilliance to show.