Horn Ensemble Horn - Level 5 - Digital Download SKU: A0.963059 Composed by John Ottman. Arranged by Jonathan Snyder. 21st Century,Contemporary,Film/TV. 57 pages. Jonathan Snyder #6208165. Published by Jonathan Snyder (A0.963059). End Titles from the 2016 film X-Men: Apocalypse composed by John Ottman. This arrangement is for 10 horns and features the epic X-Men theme composed by Ottman (originally heard in X2)!