Kenny Chesney and Uncle Kracker collaborated on the hit song "When the Sun Goes Down" in 2004, marking Uncle Kracker's first foray into country music. Despite initial reservations, Uncle Kracker found success in the genre with the song reaching No. 1 on the Billboard Hot Country Singles & Tracks chart. Following this, Uncle Kracker released the multi-platinum hit "Smile" and continued to find success in both country and pop music. In 2024, he joined Chesney on the road for the Sun Goes Down Tour.
Source: https://tasteofcountry.com/kenny-chesney-uncle-kracker-when-the-sun-goes-down/