When Billboard Associate Publisher, Jim Beloff purchased his first ukulele at the Rose Bowl Flea Market in 1992, there were no ukulele songbook collections on the market--none--just a few vintage instructional books. As an already-accomplished guitarist, this frustrated Jim, who had fallen in love instantly with this little instrument. Sensing that there might be an opportunity to fill this void, he and his graphic-artist wife, Liz, created Flea...