Trumpet Duet Trumpet - Level 3 - Digital Download SKU: A0.763682 Composed by John Hughes. Arranged by Nigel Williams. Instructional,Sacred,Standards. Score. 10 pages. Nigel Williams #6285429. Published by Nigel Williams (A0.763682). Cwm Rhondda is a Welsh hymn tune universally admired and sung by congregations across all denominations. This festive postlude arrangement is appropriate whenever this hymn is sung and also makes splendid high school student duet recital repertoire. The score downloads with trumpet parts attached and the performance duration is around two and a half minutes. Enjoy browsing my extensive collection of trumpet and organ and trumpet duet and organ arrangements available on SMP.