The term "music keyboard" can refer to a variety of instruments, from classic pianos to modern electronic keyboards. Synonyms for this term can include: - Piano: a classic instrument with a keyboard that produces sound by striking strings with hammers. - Synthesizer: an electronic instrument that uses sound waves to create and manipulate a wide range of sounds. - Digital piano: a keyboard that replicates the sound and feel of a piano using sampled recordings and touch-sensitive keys. - MIDI keyboard: a keyboard that sends digital signals to a computer or other device to produce sound. - Portable keyboard: a compact, lightweight keyboard designed for easy transport and use on-the-go. Overall, "music keyboard" is a broad term that encompasses a diverse range of instruments and technologies.