Firework by Katy Perry. By Mikkel Eriksen and Tor Erik Hermansen. For Piano/Vocal/Guitar. Artist/Personality; Piano/Vocal/Chords; Sheet; Solo. Piano Vocal. Pop. 8 pages. Alfred Music Publishing #37235. Published by Alfred Music Publishing (HL.322399). ISBN 073907847X. Pop. 9x12 inches. Another No. 1 smash from Katy Perry! This song is infectious and features a powerful message.

California Gurls. (Original Sheet Music Edition). By Katy Perry. By Lukasz Gottwald and Max Martin. For Piano/Vocal/Guitar. Artist/Personality; Piano/Vocal/Chords; Sheet; Solo. Piano Vocal. Pop. 8 pages. Alfred Music Publishing #36336. Published by Alfred Music Publishing (HL.322357). ISBN 0739073486. Pop. 9x12 inches. Katy Perry's single zoomed onto the charts just in time for summer fun. This bouncy piano/vocal/guitar arrangement will have everyone singing along and tapping their feet.