Trumpets are difficuit to sing to, but are attention getters. Abrass band would be great, but not many of us have ready access to them. The best instrument that I have found is an accordion. Everyone has a good remembrance associated with an accordion, and it projects well and is good to sing with. Get as many people singing as you can.
Several songs are in order before the preaching commences.
Every street meeting should begin and end with prayer. Inc. All rights reserved.