PSR-E363 and PSR-E463 are Yamaha electronic organ series models with relatively high neutral price, which are especially suitable for the elderly. They all have rich timbre selection and accompaniment functions, which can meet the needs of the elderly for different timbre and styles. The operation of these two piano types is relatively simple, with clear key layout and simple operation. Old people can easily play their favorite music by selecting timbre, rhythm and accompaniment through simple key operation. PSR-E363 and PSR-E463 also have learning function, providing practice mode and teaching function, which can help the elderly learn and improve their music skills.