Katy Perry. Katheryn Elizabeth Hudson (born October 25, 1984), known by her stage name Katy Perry, is an American singer, songwriter, and actress. Perry was born and raised in Santa Barbara, California around the influence of goth music. more » Musicnotes features the world's largest online digital sheet music catalogue with over 300,000 arrangements available to print and play instantly. Shop our newest and most popular Katy Perry sheet music such as "Firework", "Roar" and "Cozy Little Christmas", or click the button above to browse all Katy Perry sheet music. Dec 30, 2013 · Hey YouTube! Thanks for your interest in my channel. I'm a music teacher from NJ. This year, our spring concert will feature several Katy Perry pieces, so I thought it was a good idea to record a ... Download and Print Unconditionally sheet music for piano solo by Katy Perry. Chords indications, lyrics may be included. High Quality and Interactive, Transpose it in any key, change the tempo, easy play & practice.