Not Quite Proustian

I had a weird experience on Saturday as I was driving to the market. I had SOTS on the radio and suddenly found that I knew every word of a song I swear I haven't heard or given a thought to since the sixties. It was If I Had A Ribbon Bow, the first single by Fairport Convention and I sang along merrily. It took me back in an extraordinary way, yet I can't remember why. Here it is; it takes a while to get going.

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The singer is Judy Dyble, not Sandy Denny.