For an instrument it is 55 rupies. Every song you learn is 10 rupies.

Song of Storms: When you play this song, storm clouds surround your general area, causeing wind, thunder, lightning, and intense rain. This blow curses away also.

Song of Soaring: When you play this, you can sprout wings and fly around or you can warp to one of the many owl statues in Termina. You must have marked the statues before warping to them by swinging your sword at them.

Eponas Song: Call your horse with this song.

Sarias Song: Use this song to communicate with a friend whenever you play it

Tune of Ages: Play this in Labrynma to switch time periods around.

Song of Time: Play this at the door of time in the temple of time after getting all three spiritual stones. It will open and you are free to go in and take the Master Sword. Play this at any time and you can switch from being a small child to an adult. Also when in Termina this sets time back three days. When you learn this song, your instrument is known as the (whatever the instrument is) of time.

Invert Song of Time: When you play this song, time slows down times three

Double Song of Time: This skipps ahead one half day in time, it goes from night to day, day to night.