High School Musical Singing Pen - Sharpay by Kamhi World. $6.95. Push the top and it sings. Sealed. New. Great condition. Never been used.. Sharpay's Fabulous Song. This High School Musical Sharpay Pen features Sharpay singing "Fabulous" from High School Musical 2! This Musical Pen will not only inspire their talents, but definitely make it more enjoyable for them to do homework! Batteries included.