Piano,Trombone - Level 5 - Digital Download SKU: A0.1121806 Composed by Justin Kearin. 20th Century,Classical,Contemporary,Jazz. Score and part. 12 pages. APRA #722998. Published by APRA (A0.1121806). Hachi Ban is a cool rhythmic piece that requires careful interaction between the soloist and pianist, suitable for an advanced student or professional. Duration: approx 3 minutes.