Instrumental Duet Instrumental Duet,Organ,Trumpet - Level 4 - Digital Download SKU: A0.1013947 Composed by Jeff Henderson. Arranged by Jeff Henderson. Christian,Contemporary,Sacred. Score and parts. 14 pages. Jeff #6362767. Published by Jeff (A0.1013947). Fantasia on New Britain for trumpet and organ was composed by Jeff Henderson for his senior trumpet recital in October 2020. New Britain is the name of the tune that Amazing Grace was later set to. This arrangement contains a new countertheme, and an epic development section.