Any young age is good, but six years is probably the earliest you'd want.
When you get him\her in guitar lessons. (=_=)
You probably should because you might start playing bass like a guitar player
Around 6-8 years old is a typical age to start guitar lessons for a child. At this age, most children have developed enough hand strength and coordination to start learning the basics of playing the guitar. However, readiness can vary from child to child, so it's important to assess each child individually.
If one can afford to pay for guitar lessons, this is the easiest and fastest way to start learning how to play the guitar. If guitar lessons are not able to fit into the budget one can start by looking up common cords online.
Guitar lessons can be taught to anyone at any age. Any person can take guitar lessons, even beginner guitar lessons. It is never too old to learn how to play guitar provided your hands can handle it.
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You should start getting lessons, because there is no use of getting one if you cannot play it. In my opinion, I guess an acoustic guitar is better. Electric guitars are too expensive.
I would start by getting a book and working trough it. That way if you really don't like it then you will know. If you decided that you do like it then you should go to a local place to get lessons. Most places that sell guitars also offer lessons.
Children can start playing the guitar as young as 3 years of age.
James is eager to get start guitar lessons.
A good way to start beginning guitar lessons is too get a guitar and a tablature book. The book will show you all the notes and fingerings that are used to play that instrument. After learning the fingerings and notes you can hire an instructor to teach you more.
The best way to find free lessons for any musical instrument would be to consult the internet. I know that E-How is a good website to start with, they can give you basic bass guitar lessons.