
Small Ensemble
Audio

Oliver, in the context of a 4 horns + Rhythm arrangement, likely refers to a bandleader or arranger who crafted a specific piece for this instrumentation.
4 horns + Rhythm - Oliver has 1 published jazz band arrangement1} available for instant PDF download at Jazz Band Library.
You can purchase 4 horns + Rhythm - Oliver sheet music arrangements at Jazz Band Library (jazzlib.com). All arrangements are available as instant PDF downloads.
The arrangements are available for big band (17+ musicians), dixieland (6–8 musicians), and small ensemble formats. Each arrangement includes individual parts and conductor score in PDF format.