About Fred "Sonic" Smith
Frederick Dewey Smith, known professionally as Fred "Sonic" Smith, was an American guitarist and member of the rock band MC5. He married and raised two children with poet and fellow rock musician Patti Smith. The couple also collaborated musically. Patti Smith has spoken of how Fred Smith encouraged her writing, crediting his influence on a number of the songs she released after his death, as well as the prose works she created during their time together in Michigan.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.