Block parties are one way churches reach out to their neighbors during the annual Crossover evangelism event prior to the SBC annual meeting. ORLANDO (BP) — The initial stages of Crossover are taking shape, with pastors and evangelism leaders optimistic for both short- and long-term success. Crossover is an annual evangelistic emphasis that is conducted in the city where the Southern Baptist Convention (SBC) annual meeting is held. Host churches submit their event plans by March 29. “In this area, I think we have around 24 Hispanic Southern Baptist churches.