Bassoon,Instrumental Duet,Oboe - Level 3 - Digital Download SKU: A0.1136804 By Nigel Williams. By Trad. Welsh. Arranged by Nigel Williams. Christmas,Holiday. 2 pages. Nigel Williams #736805. Published by Nigel Williams (A0.1136804). Popular Welsh tune, each player leads and accompanies and the score downloads as a set of parts.