Flea Market Music Market Music has published a wide variety of ukulele instructional books (distributed by the Hal Leonard Corporation) and DVDs as well as CDs of recorded ukulele music. To date over 600,000 books have been sold. The company's products are sold through retail and on line. Beloff and his wife, Liz, perform and give workshops at festivals and other musical events to promote ukuleles and the Flea Market Music products. In 2014 they were guests on a WNPR radio show with ukulelist Jake Shimabukuro, discussing ukuleles and ukulele music. Flea Market Music Flea Market Music is an American company which publishes
Recorder (musical instrument) In recorders, like in all woodwind instruments, the air column inside the instrument behaves like a vibrating string, to use a musical analogy, and has multiple modes of vibration. These waves produced inside the instrument are not longitudinal waves, like those the ear perceives as sound, but rather stationary standing waves consisting of areas of high pressure and low pressure inside the tube, called nodes. The perceived pitch is the lowest, and typically loudest, mode of vibration in the air column. The other pitches are "harmonics", or "overtones". Players typically describe recorder pitches by the number of nodes in the