Karl S. Williams is an Australian singer-songwriter and multi-instrumentalist who performs on piano, guitar, and banjo. His music draws inspiration from traditional country blues, gospel, and mountain music, combining soulful vocals with raw, heartfelt storytelling. He has released several original albums, including Lifeblood (2020), Rainbows in the Gasoline (2023), and Heartwood (Solo) (2024). He has also won Queensland Music Awards and Gold Coast Music Awards.