The electric piano sheet music for Happy Birthday is as follows:

Expanded Information:

The electric piano is a keyboard instrument that is actually an electronic synthesizer. The electronic piano is actually not a correct name at all, because it resembles a piano, so some people call it an electronic piano, in fact, the formal name should be electronic synthesizer.

It uses large-scale integrated circuits, most of which are equipped with sound memory, used to store the real sound waveforms of various types of musical instruments and output them at the time of playing. Commonly used electronic piano has two categories of arranger keyboard and synthesizer, the broader electronic piano including electronic piano, more use of five-line score, mostly for the high and low double line notation, sometimes also use the alto score and simple score, guitar score, generally used for rock music.

The development of electronic piano is very fast, and the functions of the piano are becoming more and more perfect, and the tones and rhythms have been developed from the initial several kinds to several hundred kinds, in addition to hosting the tones, but also through the slot external sound card, some of the functions of the synthesizer, such as editing and modification of tones, self-programmed rhythms, multi-track recording, and memory of the performance program, etc., are also applied to the electronic piano.

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