I spent most of the day in concerts of chamber music. But at lunchtime I took a quick run through the exhibit halls which were lined with instruments, reeds, ligatures, and music publishers. It was a nice reminder of the astonishing amount of craftsmanship that is required to make musical instruments.
Live theatre is one of the most easily accessible and under-utilized outlets for composers today. Best of all, it is comparatively easy to break into and can be done from virtually anywhere.