Alan suggested that the Grapevine was borrowed from IFD. It could also have
come from a number of ballroom styles of dance, or from early Line Dancing.
It is such a basic piece of footwork that it occurs in many genres and may
have arisen in multiple ones.
Happy dancing,
John
John Sweeney, Dancer, England john(a)modernjive.com 01233 625 362 & 07802
940 574
http://www.contrafusion.co.uk for Dancing in Kent