A wide array of Irish, Scottish, Cape Breton, Appalachian and other Celtic and Celtic-inspired music and dance is on tap during Boston’s annual Celtic Music Fest (BCMFest), Jan. 6-7, 2012. The grassroots, musician-run, family-friendly winter Celtic music festival takes place at three venues in Harvard Square that are all within easy walking distance of one another – a change from previous years when not all the events took place in Cambridge. [To read the full article, click on the headline.]