Big Band
typically associated with jazz, but could be any non-orchestra over a certain size
https://en.m.wikipedia.org/wiki/List_of_big_bands
25 of the Best Big Band Recordings of All Time! This big band discography is a good solid foundation from which to build and with only 25 recordings on the list and 39 CDs (or LPs) in total any jazz student can easily cover it in a couple months or so.
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