Parrot bird can sing a song

Peter is a fan of beautiful birds gather and tunable voice .  Cause Peter got the story from a friend in the market if there is a bird species of rare parrots that can talk.  Peter then departed in the hope of getting a parrot as it is in telling his friend.

Peter Arriving at a bird market in parrots who saw her legs tied with ropes of different colors by the owner of the bird. 

Right leg tied with white rope and left leg were tied with rope color yellow.
Cause of  curious,  Peter than to ask the parrots seller.



Peter : sir why birds feet had been bound with different colors between the left foot and right foot?
Seller: .. oh ... That rope was useless so the bird could mark the Rock songs and Pop songs
Peter : huh?
Seller: if the white rope is pulled the bird will sing the Rock songs
Peter : if the yellow rope in drag?
Seller: he will sing Pop songs
Peter : if the rope of yellow and white rope in drag?
Suddenly Parrots bird shouted! : Yes I am falling IDIOT...... /floor /floor /floor