Play the piano with either your mouse or your computers keyboard. To play with your computer keyboard click the 'activate keyboard control button' on the right side of the piano (the button looks like a computer keyboard). The notes are all accurate. The sheet music is converted to a sequence of letters you type on the computer keyboard and it will play the actual song. So if you wanted to play jingle bells on the piano you would click the 'activate keyboard control' button then type the letters for jingle bells--jjj jjj jl ghj.
There are hundreds of songs available for you to choose from. Click the songs button on the piano. Select a song, click the 'activate keyboard control' button on the piano then type the sequence of letters (song) you selected. You should be able to play bits of Beethoven in minutes.