If they are interested in pursuing music later in life, then yes. I started learning music from an early age - we had story tapes about composers' lives scored with their music that I listened to starting in preschool, I learned to play the soprano and alto recorder in 5th grade, I played the violin from 6th grade to 9th grade, and took a year of lessons on the cello junior year. Since then, I haven't studied music, but now I have the skills to take up guitar if I want, or the flute - any variety of instrument that relates to what I already have experience with. And because I started so young, I have the concept of "pitch" that kids who start in high school may or may not have, and I can naturally hear when something is off-tune. Because I learned all this at such an early age, I learned quickly about music, rhythm, pitch, etc., and I learned it well.

Like everything that kids learn, music is something that you can imprint into the mind early in life, even if the child doesn't understand or appreciate it quite yet. The playing of the music can be fun for your kid, even the lessons can be fun if they get a lot of encouragement and have a fun tutor, but it's the practicing that's always the hard part - it's boring, it seems useless, and it's not fun at all. So if your daughter can understand and see how she's getting better the more she practices, and if you listen to her play and encourage her, and maybe even interact with her practicing experience, the more likely she'll continue to practice and get better, and finally through her enjoyment of playing, she will learn appreciation. But appreciation is a very mature thing to obtain, so don't expect her to really appreciate the skills you've given her anytime soon. Just make sure she's enjoying her hobby, and that's all that really matters.

Music develops the right hemisphere of the brain. which is extremely important

also art dancing , day dreaming.

A good balanced brain it an asset for whole Life

this id directly essential for success in ones life

Musical instruments usually make a person who plays them use both sides (hemispheres) of the brain at once in sync. This in turn fine tunes and trains the brain and makes the brain's neurons grow and build more pathways for increased intelligence. As with any new language (yes, I said language), the younger you start learning it, the better the chances that the pathways built will be long interstate highways instead of dirt roads. :D I suggest you let your daughter be your guide. She has asked you to play, so, find a way to afford the lessons for her. If that isn't possible, search online for someone who is willing to trade their skills to teach your child for a skill that you can do for them. Check your local music stores for ads pertaining to teachers willing to teach (then call them and ask if they would be willing to work out some kind of trade). Not sure if your local Craig's List would have such tradings, or if you have a Yahoo Community board local to your area. Never the less, please try for her benefit. You will be rewarded, first by her intelligence, and mostly pleased by her smiles if nothing else!