Euphonium,Piano - Level 2 - Digital Download SKU: A0.1268835 Composed by Ayn Robbins, Bill Conti, and Carol Connors. Arranged by John Nicolaus. 20th Century,Film/TV. Score and part. 4 pages. John Nicolaus #861367. Published by John Nicolaus (A0.1268835). Rocky ThemeGonna Fly NowMusic by Bill Conti,arranged by John NicolausEuphonium in C or Bb and pianoduration: 2:30 min.