No. The song was written by Paul Simon & Art Garfunkel.
According to Paul Simon it was based on a line from the 1958
song "Mary Don't You Weep" (I'll be your bridge over deep water if
you trust in me) that was written by Claude Jeter & performed
by his band the Swan Silvertones.
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Swan Swan H was created in 1986.
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she has a heart of a swan
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An adult cygnet is called a Swan
The Swan are the largest members of the duck family
Anatidae.