Boston Area Amateur Trombone Ensembles
Jim Battell, a trombonist recently retired from Osmun Music, is a good contact person if you are interested in finding out about informal trombone ensembles in the area.
You can reach him at:
jbattell "at" comcast.net
(replace the "at" with @ - address protected from spam harvesters)
Phone 781-643-9254