91pu - transpose music score

91pu is the world's first smart music score website, originating from Taiwan. It allows over 6.7 million users worldwide to instantly change music keys, types, and difficulty levels with just a click, making playing and singing much easier. Tailored for resident singers, street performers, music teachers, and internet celebrities, 91pu is an essential tool for producing song covers and guitar clubs without wasting paper.

Features include 12 kinds of real-time key conversion with capo support, customizable display options such as font size and chord table settings, and an exclusive dual-page view to prevent page flipping on computers. The platform hosts tens of thousands of genuine pop music scores certified with "Copyright of Article 91 of Copyright Law." VIP members enjoy advanced capabilities like unlimited key changes, fingering tips, stroke demonstrations, chord highlights, easy tabs, and score organization through collections and folders. Subscription options of 1, 6, and 12 months provide flexible access to these premium features.