The sudden jump in the group 's success in 1998 .
They had played as a supporting act for Tim McGraw and as part of the George Strait Country Music Festival and Lilith Fair , seeking to expose themselves to diverse audiences in building a fan base .
Since the sudden jump in the group 's success in 1998 , they had played as a supporting act for Tim McGraw and as part of the George Strait Country Music Festival and Lilith Fair , seeking to expose themselves to diverse audiences in building a fan base .