License to Chill is the twenty-fifth studio album by American singer-songwriter Jimmy Buffett and was released on July 13, 2004, by Mailboat and RCA Nashville. On this album, Buffett has many duets with noted contemporary country music artists, on country songs including "Hey, Good Lookin'" by Hank Williams. This rendition reached No. 8 on the Billboard country singles charts; another single, "Trip Around the Sun" (a duet with Martina McBride) reached No. 20. The album features the most covers he's recorded for an album – 11 of the 16 songs are covers. It sold 238,600 copies in its first week of release according to Nielsen SoundScan and became his only album to reach No. 1 on the Billboard 200 album chart.