"Grandpa's Spells" by Ferdinand "Jelly Roll" Morton, arrangement for Clarinet Quintet/Choir (intermediate level) by Francesco Leone .
Score and Parts: Bb Clarinet 1, Bb Clarinet 2, Bb Clarinet 3, Bb Clarinet 4, Eb Alto (instead Clarinet 4) and Bass Clarinet.
Audio demo: https://www.glissato.it/catalogo/ensemble-di-clarinetti/quintetto/grandpas-spells.html