Folk-Rock combo from Oklahoma City, then moved to Indianapolis in the early '60s.
Tom Wright went on to co-found the The Wright Brothers Overland Stage Company, an Indiana mainstay of country rock.
Terry & John Michael joined the Indianapolis based Sounds Unlimited in 1966 - 1968. In '69 the brothers founded the long-lived Mason Proffit country rock outfit.

The Quinchords were:
Terry Talbot
John Michael Talbot
Tanni Talbot
C. Thomas Wright