Find the three monkeys on the rim of the couch. Push the buttons under their butts in the correct order of musical notes.
Scroll down for more hints.
The notes will play in a scale from the scaley fish beside the treasure chest.
SCROLL DOWN FOR THE ANSWER
Press the middle Monkey, then the far left Monkey, the the far right.
If that doesn’t work, scroll down for a work around.
Find the purple vase on the rim of the couch. Behind the curtain, directly behind it is a button on the wall. Push the button. A door will open in the couch.