Most mornings, Rocks Off wakes up to Elizabeth Cook’s country-as-cornbread drawl on her Outlaw Country satellite-radio program, “Apron Strings” (Sirius 63, XM 13, 5-9 a.m. Mondays). On her 2007 LP ...

David Letterman makes a rare appearance this week on Sirius XM, co-hosting Elizabeth Cook‘s Apron Strings radio program alongside the country-singing host and his longtime bandleader and foil Paul ...