91pu

91pu - the world's first ever smart music score website. Origin from Taiwan. Using programmed digital operations, you can instantly change keys, types and level of difficulties. Makes "playing and singing" much easier. [Over 6.7 million users worldwide] - Best working partner for resident singers and street performers. - Superb teaching tool for music teachers. - Internet celebrity must-use. Great for doing song covers. - A necessity for guitar and hot music club. No printing needed. No paper...