What is musical sound? Md. Saifur Rahman The sound which is created due to regular and periodic vibration of the source and which are melodious to us is known as musical sound.You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?