Wet Willie is a Southern rock band that emerged in the early 1970s, known for their blend of blues, R&B, and country music. Founded in Mobile, Alabama, the band is best remembered for their hit single "Keep On Smilin'," which reached the Top 10 on the Billboard Hot 100. Key band members included Jimmy Hall, known for his distinctive vocals and harmonica playing, and his brother Jack Hall on bass. Wet Willie's music is characterized by its energetic performances and soulful sound, marking them as a significant contributor to the Southern rock genre.