I have grade 8 in violin and clarinet and my husband in piano. So can read notes and have a strong musical background. We are already trying to teach our little ones piano which we have recently bought with a midi connection as other instruments are too advanced for them at present. My son 3 and 1 year old daughter tinker with the keyboard daily alongside my husband and my son is now playing very simple tunes. He knows most of his instuments through the brill kids flash cards and sounds. My daughter attempts to play by hammering the keyboard with her little hands, but she can sing the notes with amazing pitch.
It would be good to have a simple program to start that helps them understand the notes, sound, names and length, leading to reading the notes, as well as demonstrating the correct fingering for playing tunes especially for practise (as I don't know the fingering required not being a piano player). We have tried the dreamsoft piano program demo but are not overly impressed as it requires a lot of parental input and doesn't demonstrate the correct finger movements, at least on the demo version. We would love to participate in the testing and hope to be able to provide constructive feedback and testing.

My boy speaks 4 different languages, I expected speech delay and even taught him sign language in case he was unable to express himself linguistically. I thought he would talk later than most as I was under the impression that boys spoke later than girls and he may be confused due to the multiple languages. However he spoke his first words between 1 yr and 18 months with a vocabulary and word count well above average. He is currently 2 and a half years old and can understand and hold full sentence conversations in each of the languages. He even translates between people. Each individual in our family speaks their mother tongue to him and it seems to have worked without delaying his speech, though perhaps he may have spoken even earlier if we were talking just one language to him.

I believe that each child is different and personally would not have worried even if he did take longer to say his first words but I can't personally attribute multiple languages to any delay in speech.