Regardless of how large your group is, where your group is located, or the relative economics of the region in which you live, a well-coordinated crowdfunding campaign is your best bet for large-scale fundraising.
In 2017 and 2018, the Genesis Drum and Bugle Corps from Austin Texas used the FansRaise platform to create a capital campaign fundraiser to replace mission-critical equipment.
What they found is that a “wash-rinse-repeat” system, built specifically for the performing arts, worked wonders for them.