Trumpet Duet Trumpet - Level 3 - Digital Download SKU: A0.1047203 Composed by Traditional. Arranged by Christian Morris. Blues. Score. 4 pages. Hoopla Sheet Music #651744. Published by Hoopla Sheet Music (A0.1047203). A fun arrangement of This Little Light of Mine,� a popular gospel song of unknown origin. Both parts get to play the tune, with funky blues counter-melodies spicing things up. Great for practising with friends or for concerts.