Pinkie Pie and the rockin' Ponypalooza party!

"When the family rock farm is in trouble, Pinkie Pie tries to help in the best way she knows how--by planning a Ponyville "rock" concert: Ponypalooza! The part will be super-duper cool and is sure to save the farm. But ... Pinkie's family doesn't like the idea and wants her to be serious for once in her life. What's a pony to do?"--Page 4 of cover.