Instro Summit 2014 May 16-18th, Durham, NC Instro Summit 2014 May 16-18th, Durham, NCvia SurfGuitar101.com | Forums: Instro Summit 2014 May 16-18th, Durham, NC!. Related posts:The Instro Summit 5/4/12-5/6/12 Pre-Instro Summit Show | in Greenville, NC, May 15 Instro Summit Returns to Chapel Hill, NC 4/29 – 5/1 18th Glendale Cruise Night July 16 Endless Summer 7/22/2014!