Zac Brown, lead singer of Zac Brown Band, first announced Sir Rosevelt in 2016. The group's other members are Niko Moon, a frequent co-writer of Brown's, and Ben Simonetti, who provided programming for several tracks on Zac Brown Band's Jekyll + Hyde album.[1] Initially, Brown did not reveal the other members of the group, nor did he provide any press after the release of their first song "Sunday Finest".[2] Later in 2016, he announced the other members and released three more tracks.[3] An album came in December 2017, with the single "Somethin' 'Bout You".[4] Also preceding the album's release was another teaser track titled "The Bravest" which was used by the German television channel ZDF for the 2018 FIFA World Cup.[5]