This is a swing feature for your trombone section and will work if you only have 2 trombones, or 3, or a complete section of 4.

It was originally penned in less a refined form for 3 very keen 11 year old trombonists I was teaching at Scotch College, Melbourne in the late 1990's. However, it took until lockdown in 2021 for me sit down and iron out the kinks in the chart for proper use by bands. 

Lead trombone only plays up to F above the stave and lead trumpet goes no higher than a G on top of the stave. This keeps the  ranges on this one very reasonable and make the chart very playable for the intermediate level jazz ensemble.

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An excerpt of this chart was presented by the 'Airmen on Note' at the 2022 Midwest Clinic, Chicago, December 2022