The band includes drummer Jack Ryan, bassist Stephen Campbell, trumpet/trombone player Justin Johnson, sax player Dean Mitchell, and keyboard player, Dane Farnsworth.

The Marcus King Band released their debut album, Soul Insight on October 30, 2015, on Warren Haynes’ Evil Teen Records. Soul Insight reached No. 8 on the Billboard Blues Albums Chart.

The band’s second full-length LP and first album for Fantasy Records, The Marcus King Band, was released on October 7, 2016. The album was produced by Haynes and recorded at Carriage House Studios in Stamford, Connecticut. The Marcus King Band reached No. 2 on the Billboard Blues Albums Chart.

On August 22, 2018, it was announced the band would release their third full-length LP, Carolina Confessions, on October 5, 2018, via Fantasy Records. The album was recorded at RCA Studio A in Nashville and produced and mixed by Dave Cobb.

While not entering the Billboard 200, it was the band’s first entry on the magazine’s US Top Current Albums chart, peaking at No. 55, and was another No. 2 hit on the Blues chart for them. The album also reached No. 2 on the Heatseekers Albums chart.