How to play keyboard for a beginner

I want to learn to play keyboard so is it hard and howlong it will take to be good at it?

Im getting a 76 key casio keyboard for christmas to help my singing and so I can write my own songs. unfortunatly I dont know...

My son needs to learn a Christmas song to play on his guitar on Christmas Eve. He is a beginner so we need one kind of easy ...

I have heard all these cool songs being played on the violin where can I get the music?

does any one here play the guitar? if you do how long have you been playing?

I play keyboard in a heavy metal/screamo band, and I need some good songs or bands that have good keyboard parts to get some ...

I'm a beginner at guitar playing. And I can only play these cords: D, A, G, C, Em. What songs can I play using these chords?

At the end of the Disney Channel's movie, Cow Belles, what's the song that they play?

What is the name of the song playing in the music video Nikko is watching on spectacular？

I really want to be able to play it on keyboard, but only the simple melody, so please don't give me all the chords and stuff...