"4 Minutes" is a song by American singer Madonna from her eleventh studio album Hard Candy (2008), featuring vocals by American musicians Justin Timberlake and Timbaland. It was released as the lead single from the album on March 17, 2008, by Warner Bros. Records. It marked the first time in Madonna's 25-year career that another artist was featured in a single. According to Madonna, the song is about saving the environment and "having a good time while we are doing it". She also cited the song as the inspiration for the documentary I Am Because We Are (2008).