The first thing to know about piano lesson age is that every child is different. Some children are able to start at age four or younger, while others need to wait until age six. Some have started as late as their teen years and found great success in piano.
Playing a musical instrument helps you develop a musical ear. It will enhance Aural skills , If you learn to play piano, you will learn how to listen to music and sing better, too.

Piano is a solo instrument (it allows musicians to play an entire piece without musical accompaniment) Piano is an ideal accompaniment to singer or the choir Piano is an instrument suitable for any genre.

Scientific studies and research show that playing musical instruments, like the piano, can even have a positive impact on your brain .Playing Piano is particularly beneficial in 3 areas of the brain:the motor,visual and auditory cortices., when you practice or just play  a song  your brain is running at full speed , many areas of your brain is activated which can effects  the most important skills.

Children develop physically and mentally at very different rates . So it is impossible to recommend precisely when to begin learning a particular instrument,but only teacher will be able to determine whether your child is ready .

There are many different factors to consider when choosing an instrument , so take your time to reach a decision to your child’s musical preferences .

The study showed that formal musical lessons have a positive correlation with IQ and academic performance; these qualities are general and long lasting. In conclusion, yes, musicians are technically more likely to have a higher IQ than non-musicians.