(Book). Now fully updated, The Hammond Organ: Beauty in the B traces the technological and artistic evolution of the B-3 and other tonewheel organs, as well as the whirling Leslie speakers that catapulted the Hammond sound into history. You'll discover the genius that went into the development of Hammond's tonewheel generator, drawbar harmonics, percussion, scanner vibrato and other innovations, as well as the incredible assistance Don Leslie provided for Hammond by creating his famous rotating speaker system. Plus B-3 legends including soul-jazzman Jimmy McGriff and progressive rocker Keith Emerson share their playing techniques; technical experts offer tips on buying, restoring, and maintaining Hammonds and Leslies; and over 200 photos illustrate historic Hammond organs, Leslie cabinets, and B-3 masters at work.