"1"^^ . "U.S. Mainstream Rock"@cs . "U.S. Main"@cs . "576244"^^ . "5520725"^^ . "Mainstream Rock Tracks"@cs . "US MNSTR"@cs . . . "40"^^ . "US Main"@cs . . "US MSR"@cs . "Mainstream Rock Tracks"@cs . . "U.S. Rock"@cs . "Billboard Mainstream Rock Tracks"@cs . "US Mainstream Rock"@cs .