Jingle in the Junction, Christkindlmarket, Holiday Promenade, A Charlie Brown Christmas — it must be December! Enjoy the start of the new month at one of these festive events around the DSM metro. There’s also First Friday at Mainframe featuring cool pieces from local ceramicists and an Ugly Sweater Party with live music by Joshua Sinclair at Peace Tree this weekend. Top pick? Miserable Holiday Cabaret, by Rosie and Luci Productions, at Tallgrass Theatre Company on Saturday night, 7:30 p.m.