Curtis Justin Solar Jr. was born on September 26, 1992 in Baton Rouge, Louisiana and is an American country music singer-songwriter. He graduated from Belmont University with a degree in songwriting in 2014. Prior to graduating, he signed a publishing deal with Sea Gayle Music Publishing. Solar's breakthrough as a songwriter came with co-writing Morgan Wallen's "Up Down" which reached number 1 on the charts and "Some Girls" by Jameson Rodgers. He has also written songs for artists such as Jason Aldean, Jerrod Niemann, and Justin Moore. As an artist, he released his debut album Hard One to Turn Down in 2016. Solar was named a "New Artist You Need to Know" by Rolling Stone and has opened for acts including Lynyrd Skynyrd, 38 Special, Gary Allan, Chris Janson, and Hank Williams Jr.