Through informative essays and entries on the top 500 singers, "The Jazz Singers" covers the history of jazz singing. In addition to the top 500, this diligently researched compendium also includes entries on jazz vocal groups and a humorous section on unlikely performers who sang jazz at one time. Among the singers discussed are Louis Armstrong, Bessie Smith, Bing Crosby, Billie Holiday, Ella Fitzgerald, Frank Sinatra, Mel Tormé, , Diana Krall, Cassandra Wilson, and many, many others.