<Tr> <Th> Years active </Th> <Td> 1970--present </Td> </Tr> <Tr> <Th> Associated acts </Th> <Td> The Murmaids, Mason Williams, the Outcasts, Kenny Rogers, the First Edition, Van Halen </Td> </Tr> <P> Mike Post (born Leland Michael Postil, September 29, 1944) is an American composer, best known for his TV theme songs for such series as Law & Order, Law & Order: SVU, The A-Team, NYPD Blue, Renegade, The Rockford Files, L.A. Law, Quantum Leap, Magnum, P.I., and Hill Street Blues . </P> <P> Post's first credited work in music was cutting demos using two singing sisters, Terry and Carol Fischer . With Sally Gordon, they went on to become The Murmaids . Their first single, "Popsicles and Icicles" (written by David Gates), was a #3 hit song in January 1964 . </P>

Who wrote law and order svu theme song