Jazz Combo - Level 4 - Digital Download SKU: A0.996424 Composed by Jon Burr. Jazz. Score and parts. 18 pages. JbQ Media #4894451. Published by jbQ Media (A0.996424). Koko (Grade 5) is a Hard Bop original for Jazz Quintet.The pdf contains the score and parts in US Letter format.The attached mp3 and video feature the Jon Burr Quintet:Tim Ouimette - trumpetSteven Frieder - Tenor SaxMike Eckroth - PianoJon Burr - BassJerome Jennings - Drums