Fourplay (stylized as fOURPLAY) is a contemporary American smooth jazz quartet. The original members of the group were Bob James (keyboards), Lee Ritenour (guitars), Nathan East (bass), and Harvey Mason (drums).
In 1997, Ritenour left the group and Fourplay chose Larry Carlton as his replacement. In 2010, Carlton left Fourplay and was replaced by Chuck Loeb, who died on July 31, 2017. During Loeb's illness, saxophonist Kirk Whalum joined the group for performances.
The group has enjoyed consistent artistic and commercial success by grafting elements of R&B and pop to jazz, appealing to a broad mainstream audience. Their debut album, Fourplay (1991), sold over a million copies and remained at the number one position on the Billboard contemporary jazz chart for 33 weeks. Their next album, Between the Sheets (1993), reached number one,