She took the guitar and played. Then we asked them to sing one or two songs; but to our delight, they sang one, two, three, four, five, six, seven, eight. They went on and on. I must say, they and I have some similarities. When you ask me to sing, I don't stop. They said, "We don't sing spiritual songs. We sing folk songs." So they sang many songs in different languages. I have a tape of them. It is very nice.
Both of them have excellent singing voices. He sang while she was playing on the guitar. Then, at one point, we again asked him to play. He didn't want to. He said, "No, as you are their Guru, she is my Guru." He used the term "Guru" quite a few times.From:Sri Chinmoy,Salutations, numbers 1-4, Agni Press, 1981
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