Now that Kristin DiCara’s and Nathan McClellan’s youngest child is headed off to kindergarten, the Portland-based couple is making a return to performing. As the acoustic duo Mystic Folk Opera, the two recently released an album, “Secrets of a Hostile Sun.” Go to mysticfolkopera.com to stream audio. The duo will be joined by Vermont-based roots trio Bread and Bones. Call 699-2994 for information.

When: 8 p.m. Friday

Where: North Star Music Cafe, 225 Congress St., Portland

How much: Free