Write-Up & Photo by Jacqueline Bennett newsandviewsjb.com An impromtu encounter with the award-winning Silk City Chorus which is celebrating its 50th anniversary, resulted in a beautiful serenade sung just as one would expect – in perfect harmony….   “Let me call you sweetheart, I’m in love with you, Let me hear you whisper that you love me too, Keep the love light glowing in your eyes so true, Let me call you sweetheart, I’m in love with you.” One of New England’s premier groups of its genre, members of the Manchester, Connecticut-based, 80-man chapter of the Barbershop Harmony Society gathered Sunday, June 9 for an annual barbeque at Nevers Park in South Windsor. “We’ll probably do some quarteting,” said member Dan Fontaine. The group was…