they were active from 1990 to 2010. the duo consisted of kix brooks and ronnie dunn who were originally paired by their record producer tim dubois. the duo won the country music association vocal duo of the year award every year between 1992 and 2006, although they didn't for 2000. their two songs "hard workin' man" and "my maria" won the grammy award for best country performance by a duo or group with vocal in 1993 and 1996. they announced that they would be breaking up on august 10, 2010.