The hall's unreliable sound system made it difficult for the singer to hear the members of her own backup trio.

At 8 P.M. on Tuesday, it's Tony Bennett spinning a web of American popular song with the slightly jazzy help of his own backup trio.

And through the years, her backup trios have featured some of the best up-and-coming jazz musicians.

The singer Abbey Lincoln glided over her backup trio's choppy syncopations like a kindly maternal spirit.

Near the end of his first set on Monday at the Bottom Line, the English saxophonist Courtney Pine silenced his backup trio and performed a tour de force.

Their mini-membership includes a lead singer and a backup trio that needs absolutely no encouragement to break into a song like the catchy title number.

Her backup trio's arrangements changed from verse to verse, conjuring drama and seduction.

His current engagement introduces the Creolettes, his new backup trio that includes Gail Wynters, Tina Fabrique and Dian Sorel.

Ewing's backup trio was singing.

Cobweb, Blossom and Moth form a bikini-clad backup trio.