The mid-1980s also saw Gospel music see its popularity peak. A new form of gospel had evolved, called Contemporary Christian music (CCM). CCM had been around since the late 1960s, and consisted of a pop/rock sound with slight religious lyrics. CCM had become the most popular form of gospel by the mid-1980s, especially with artists like Amy Grant, Michael W. Smith, and Kathy Troccoli. Amy Grant was the most popular CCM, and gospel, singer of the 1980s, and after experiencing unprecedented success in CCM, crossed over into mainstream pop in the 1980s and 1990s. Michael W. Smith also had considerable success in CCM before crossing over to a successful career in pop music as well. Grant would later produce CCM's first #1 pop hit ("Baby Baby"), and CCM's best-selling album ("Heart In Motion").