If you have learners who don't have access to a Piano and/or don’t want to spend tons of money on an actual instrument, here is something they may like.

VirtualPiano lets users play a piano online with computer keyboard.

Each letter on your keyboard corresponds to a key on the piano.

VirtualPiano can be used to record compositions and play it back afterward. Moreover users can change the music and the style of the piano.

I am told, I must admit I have no idea, that the virtual pian...

Musopen is an online library classical music of music recordings and sheet music that are in the public domain.

All of the recordings on Musopen can be downloaded and or be embedded into a blog or website. The sheet music offered by Musopen is hosted by Scribd from where visitors can download or print the sheet music.

Musopen could be a good resource for practitioners/learners of music theory and music performance; visit http://www.musopen.com/ to find out more.