Euphonium Solo - Level 1 - Digital Download SKU: A0.605595 By Katy Perry. By Esther Dean, Katy Perry, Mikkel Eriksen, Sandy Wilhelm, and Tor Erik Hermansen. Arranged by Kevin Busse. Pop. Individual part. 3 pages. Kevin Busse #4302597. Published by Kevin Busse (A0.605595). This is an exact transcription of Katy Perry's vocal parts for Firework in the easy key of C for Euphonium

Euphonium Solo - Level 3 - Digital Download SKU: A0.605564 By Katy Perry. By Esther Dean, Katy Perry, Mikkel Eriksen, Sandy Wilhelm, and Tor Erik Hermansen. Arranged by Kevin Busse. Pop. Individual part. 3 pages. Kevin Busse #4302069. Published by Kevin Busse (A0.605564). This is an exact transcription of Katy Perry's vocal parts for Firework in the original key for Euphonium.