Michael grew up singing gospel music with his family in upper East Tennessee. By the time he was a teenager, he was traveling with a family band, The Frost Family. That band evolved into a vocal trio, The Frosts.  The Frosts received acclaim and national radio airplay, leading to Michael being named "Songwriter of the Year" in 2007.

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In 2006, Michael was cast at The Miracle Theater in Pigeon Forge, TN. He performed in all six seasons of The Miracle, and also appeared in the theater's production of Joseph and the Amazing Technicolor Dreamcoat and Exalt! A Christian Concert Spectacular.

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In 2009, Michael signed a recording / publishing deal with Crossroads Music / Pinnacle label. His solo CD, Sing Like It's the Last Time, was released in April 2009  featured 10 songs written by Frost, including the charting singles "Sing Like It's the Last Time" and "Three Words, Three Nails, Three Days."

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In October 2011, after the closing of The Miracle, Michael toured with the Dove-award nominated trio, HisSong.  In 2016, Michael moved to Branson, MO with his wife and daughter.

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Branson credits include:
The Blackwoods, CJ Newsom's Classic Country and Comedy, Raiding the Country Vault, Jerry Presley's Elvis Live, The Haygoods, and  #1 Hits of the 60s (and 50s too),