Play through the game and get through all the dungeons and defeat the final boss. Or just look at a walkthrough from GameFaqs :D
you have to get mooshes flute in oracle of seasons ( found in the shop before you get rickys flute ) and beat it. then you'll get a code. use the code given to you on a new file of oracle of ages you will then have the same pet as in that file of oracle of seasons.
You leave the area and go north of Impa's refuge.
buy the flute in Lynna city shop right after coming ashore when you beat the moonlit grotto
To beat the dance class in "The Legend of Zelda: Oracle of Seasons," you need to follow the instructor's dance moves accurately. Pay attention to the button prompts and replicate them in the correct sequence. Timing is crucial, so ensure you press the buttons in rhythm with the music. Successfully mimicking the dance will earn you a prize and progress in the game.
The flute is not necessary to beat the game, but in the light realm it will allow you to summon a bird that will carry you to certain positions on the map.
look at the Zelda Walkthrough.
beat gandadorf
youtube: legend of zelda phantom hourglass by cesaritox09
Beat Ganon, der.
To beat the Goron Dance game in "The Legend of Zelda: Oracle of Ages," you need to mimic the dance moves of the Goron leader. Pay attention to the timing and direction of his movements, as you must replicate them accurately. Use the A and B buttons to dance in sync with the leader, and try to complete the sequence without mistakes to earn a high score. Practice makes perfect, so don't hesitate to retry if you don't succeed on your first attempt.
by using the spinner
Play the game.