1, electric piano: an electronic keyboard instrument, similar in appearance to the traditional piano, but adjustable in timbre, volume and sound effect. Electric pianos are lighter and easier to carry and store than traditional pianos.

2. Electronic organ: a multifunctional electronic keyboard instrument, which can simulate the timbre and effects of various instruments, and can also bring its own drum combination to play sound effects, suitable for playing various popular tracks.

3. Electric guitar: A guitar instrument that converts the vibration of strings into electrical signals through a pickup and amplifies them through a speaker. Compared with traditional guitar, electric guitar has stronger expressive force and sound effect, and is suitable for playing pop music.

4. Electronic drum: an instrument that sounds when struck by an electronic drum pad. It doesn't need a big venue, and it can be practiced and played at home. Suitable for the elderly to learn and practice percussion and jazz.