"Knee Deep" is a song recorded by American country music group Zac Brown Band with Jimmy Buffett. It was released in May 2011 as the third single from the Zac Brown Band's second major-label album, 2010's You Get What You Give. It reached number-one on the U.S. Billboard Hot Country Songs chart for one week in August 2011. The song is about laying back and having no worries

James William Buffett was an American singer-songwriter. He was known for his tropical rock sound and persona, which often portrayed a lifestyle described as "island escapism" and promoted enjoying life and following passions. Buffett recorded many hit songs, including those known as "The Big 8": "Margaritaville" (1977), which is ranked 234th on the Recording Industry Association of America's list of "Songs of the Century"; "Come Monday" (1974); "Fins" (1979); "Volcano" (1979); "A Pirate Looks at Forty" (1974); "Cheeseburger in Paradise" (1978); "Why Don't We Get Drunk" (1973); and "Changes in Latitudes, Changes in Attitudes" (1977). His other popular songs include "Son of a Son of a Sailor" (1978), "One Particular Harbour" (1983), and "It's Five O'Clock Somewhere" with Alan Jackson (2003). Buffett formed the Coral Reefer Band in 1975.