Last week was an example of how frenetic her life as a journalist and singer/songwriter has become.In addition to working at HLN, the east Cobb resident performed at the Foothills Fall Festival in Maryville, Tenn., spent a day in Jacksonville, Fla., taping a Veterans Day show, and performed in concerts at the King Plow Arts Center in west Midtown and at Eddie???s Attic in Decatur.In between gigs,