Thundermug (band) became inactive, as of 1976. Band members then commenced various solo projects. Bill Durst joined a ZZ Top tribute band called Tres Hombres, and later was a member of The Brains, a band that released one album in 1980, on Falcon Records. Joe de Angelis became involved in production work, acting as assistant engineer on Meat Loaf's 1981 album, "Dead Ringer". In 1983, Durst released a solo album, "Call Billy", on Passport Records. Joe de Angelis contributed background vocals. In 1989, Durst released a cassette-only second solo album, "Father Earth", on the independent Cottage Records. At the initiative of former
Sleepy Tripp band all named 'Sleepy Tripp'. Still today there is a trotter racing under with his name. Sleepy Tripp Ron "Sleepy" Tripp is an American Hall of Fame midget car driver. Tripp got his nickname as a youth when he would fall asleep in his quarter midget car while waiting for his next race to start. Tripp won the 1975 and 1976 United States Automobile Club (USAC) National Midget championships. He stayed on the national tour for several more years before he started racing in the Western States series, on the West Coast. He consistently placed first or second in the