By Katy Perry. By Bonnie McKee, Henry Walter, Katy Perry, Lukasz Gottwald, and Max Martin. Arranged by Deke Sharon. For Choral (SSA A Cappella). Pop Choral Series. 8 pages. Published by Hal Leonard

By Katy Perry. Arranged by Mac Huff. Pop Choral Series. Pop, Show Choir, Inspirational, Ballad. Octavo. 12 pages. Published by Hal Leonard (HL.198741).

By Katy Perry. Easy Piano Personality. Softcover. 72 pages. Published by Hal Leonard

By Katy Perry, Max Martin, Lukasz Gottwald, Bonnie McKee, and Henry Walter. Arranged by Alan Billingsley. Choir Secular. This edition: SoundTrax CD. CD; Choral Octavo. Pop Choral. Published by Alfred Music

By Katy Perry, Max Martin, Lukasz Gottwald, Bonnie McKee, and Henry Walter. Arranged by Alan Billingsley. Choir Secular. Women's Choir. Choral Octavo. Pop Choral. 12 pages. Published by Alfred Music

(A duo of hits by Katy Perry and Lady Gaga). Arranged by Victor Lopez. Orchestra. Full Orchestra; Score. Pop Intermediate Full Orchestra. Form: Medley. Light Concert; Pop. Grade 3. 28 pages. Published by Alfred Music

(As performed by Katy Perry). By Katy Perry. By Katy Perry, Lukasz Gottwald, and Max Martin. Concert Band. Concert Band. Hot Pop Band. Pop. Grade 2. Conductor Score and Parts. 128 pages. Published by Alfred Music . Score and Parts. Pop.

By Katy Perry. For Piano/Vocal/Guitar. Piano Vocal. 12 pages. Published by Hal Leonard

(As performed by Katy Perry). By Katy Perry. By Katy Perry, Lukasz Gottwald, and Max Martin. Concert Band. For Concert Band. Concert Band. Hot Pop Band. Pop. 2 (Easy) (grade 2). Score. 16 pages

By Katy Perry. By Bonnie McKee, Esther Dean, Henry Walter, Jordan Houston, Katy Perry, Lukasz Gottwald, Max Martin, Mikkel Eriksen, Sandy Wilhelm, Sarah Hudson, and Tor Erik Hermansen. Arranged by Mac Huff. For Choral (SSA). Pop Choral Series. 20 pages. Published by Hal Leonard

(From Katy Perry's Album PRISM). Composed by Katy Perry, Max Martin, Lukasz Gottwald, Henry Walter, Sarah Hudson, and Jordan Houston. Arranged by Victor LÃ?³pez. Orchestra. Score; String Orchestra. Pop Intermediate String Orchestra. Pop. Grade 2.5. 12 pages. Published by …

From Katy Perry's Album PRISM. Composed by Katy Perry; Bonnie McKee; Max Martin; Lukasz Gottwald; Henry Walter. Arranged by Victor Lopez. Performance Music Ensemble; Single Titles; String Orchestra. Pop Intermediate String Orchestra. Light Concert; Pop. Part(s); Sco…

By Katy Perry, Sia. By Katy Perry. Arranged by Mac Huff. Pop Choral Series. Reggae, Pop. CD. Published by Hal Leonard (HL.239002).

By Katy Perry. Piano/Vocal/Guitar Artist Songbook. Pop. Softcover. 104 pages. Published by Hal Leonard

(As performed by Katy Perry). Composed by Katy Perry, Max Martin, Lukasz Gottwald, Bonnie McKee, and Henry Walter. Arranged by Todd Parrish. Orchestra. Score; String Orchestra. Pop Intermediate String Orchestra. Pop. Grade 3. 16 pages. Published by Alfred Music

By Katy Perry. For Piano/Vocal/Guitar. Piano/Vocal/Guitar Artist Songbook. Softcover. 112 pages. Published by Hal Leonard

By Katy Perry. Arranged by Michael Brown. For Concert Band (Score and Parts). Discovery Plus Concert Band. Grade 2. Published by Hal Leonard

By Katy Perry. For Piano/Vocal/Guitar. Piano Vocal. 8 pages. Published by Hal Leonard

By Katy Perry. Arranged by Mark A. Brymer. For Choral (ShowTrax CD). Pop Choral Series. CD only. Published by Hal Leonard

(As recorded by Katy Perry). By Katy Perry, Max Martin, Lukasz Gottwald, Bonnie McKee, and Henry Walter. Arranged by Michael Story and Michael Story. Concert Band. Concert Band; Part(s); Score. Pop Young Band. Pop/Rock. Grade 2. 196 pages. Published by Al

(As performed by Katy Perry on her Teenage Dream album). By Katy Perry, Mikkel Eriksen, Tor Erik Hermansen, Sandy Wilhelm, and Ester Dean. Arranged by Michael Story and Michael Story. Concert Band. Concert Band; Score. Pop Beginning Band. Pop. Grade 1. 12 pages. Published …

By Katy Perry. Arranged by Robert Longfield. Score and Parts. Easy Pop Specials For Strings. Grade 2. Published by Hal Leonard

((featured in Glee)). By Katy Perry. Edited by Mark A. Brymer. Arranged by Adam Anders and Tim Davis. ShowTrax CD. Pop Choral Series. CD only. Published by Hal Leonard

Composed by Katy Perry; Max Martin; Ali Payami; Savan Kotecha. Arranged by Alan Billingsley. Performance Music Ensemble; Single Titles. Alfred Pop Choral Series. Pop; Secular. Choral Octavo. 16 pages. Alfred Music #00-45691. Published by Alfred Music (AP.45691).