Like an actor’s script, a sheet of music instructs a musician on what to play (the pitch) and when to play it (the rhythm). Sheet music may look complicated, but once you’ve gotten the hang of a few simple elements like notes, bars and clefs, you’re ready to rock. Tim Hansen hits the instrumental basics you need to read music.
Here you have two prezi about musical notes.
Clic on the images
1/.DO YOU KNOW NAME OF VALUE NOTES?
Click on image
I hope you can learn a lot!!
If you want to practice the tone and semitone clic on image.