1. Los Super Seven Regroups On 'Canto'

    March 09, 2001 12:00 AM EST A reconfigured version of Los Super Seven returns March 13 with the Columbia/Legacy album "Canto," whose songs can be traced to far-flung corners of the Latin diaspora -- incorporating Cuban and South With its new-model takes on border-town ballads and fiesta classics, Tex-Mex…