Fred "Sonic" Smith, American guitarist and songwriter (d. 1994)
Frederick Dewey Smith (September 14, 1948 – November 4, 1994), known professionally as Fred "Sonic" Smith, was an American guitarist, best known as a member of the influential and political Detroit rock band MC5. At age 31, he married and raised a family with poet and fellow rock musician Patti Smith. The couple collaborated musically, and raised two children together.