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
Nashville Tribute Band Deere and Truman co-produced a second Nashville Tribute album released in 2007 called "Trek: A Nashville Tribute To The Pioneers". The album covered the Mormon pioneer era of LDS history. The album won the 2007 Pearl Award for Group Recording Artist Of The Year (Jason Deere, The Nashville Tribute Band) as well as the 2008 Pearl Award for Inspirational Instrumental Recording Of The Year ("My People"/"Come, Come Ye Saints"). Years of touring the world with the Nashville Tribute Band, along with Deere and Truman's own experience serving as missionaries for LDS Church, led to the writing and production of the