Today on Midday: Helicon, the renowned traditional music trio is here.Tomorrow they continue a great Baltimore holiday tradition with their 32nd annual Winter Solstice Concerts at Goucher College’s Kraushaar Auditorium.Helicon will be joined tomorrow by Charm City Junction and other performers, including the North American Step Dance champion Jonathan Srour.Today, we’re keeping up a tradition of our own. For the many years, Helicon has treated us to a preview of their Winter Solstice concert here in Studio A.Helicon’s Chris Norman plays wooden flutes and small bagpipes. Robin Bullock plays guitar, cittern, and mandolin, and Ken Kolodner plays hammered dulcimer and fiddle. Also here, from Charm City Junction: Brad Kolodner and Patrick McAvinue, the 2017 International Bluegrass Musician Association Fiddler of the Year. And Old-time musician and vocalist Rachel Eddy is also here. They’ll all be performing at the two Winter Solstice concerts tomorrow, at 3:30 pm and 7:30 pm. Click here for tickets.