Miller'sSTART as a songwriter came when he was sixteen years old. He later joined the United States Marine Corps, from which he was later discharged. In 1956, both Gale Storm and Bonnie Guitar had Top Five hits with different versions of the song "Dark Moon", which Miller co-wrote. Another song he wrote "A Falling Star", was a country hit for Jimmy C. Newman. Very notable is also his uptempo song "Cave In", which in 1960 was the flip side of Warren Smith's, No. 5 country hit "I Don't Believe I'll Fall In Love Today" recorded for the Liberty records label. He also wrote and recorded a song called "From a Jack to a King", which was released on Fabor Records but saw little success on the charts. After being briefly signed to Capitol Records, MillerRETURNED to Fabor and persuaded them to re-release "From a Jack to a King". The song proved successful theSECOND time around, and became a crossover hit for Miller. It sold over two million copies by July 1963, and was awarded a gold disc.