Junior Marriott began playing rhythm guitar at the age of seven for his dad, who played the fiddle. By age nine he was playing bass and at age fourteen he began to play the fiddle. At the age of sixteen, he won the Missouri State Fiddle Championship, a title he has won several times, including in 2010.
Junior has won various contests and other state championships as well. These include the Kansas State Fiddle Champion, fifth place at the Weiser, Idaho Nationals in 2000, Arkansas State Champion, and Grand Lake Festival Champion in 2006, 2007, and 2010. Junior has judged the Missouri State Championship, Arkansas Sate Championship, Grand Lake Festival in Grove, Oklahoma, and the Texas State Championship in Hallettsville, Texas. He enjoys traveling to contests all over the United States, especially Texas. Junior lives in Ava, Missouri, where he teaches fiddle, guitar, and bass at his music store, Marriott Music.