Signpost: Martha Rocks fundraiser and celebrating Poland’s independence

Martha Rocks - a band including four local doctors - is playing at the Corktown Pub, 175 Young St., to raise money for Keeping Six - Hamilton Harm Reduction Action League. The first set at the Dec. 14 show is 9:30 p.m. The donation at the door will support Keeping Six, a new organization that defends the rights and dignity of people who use drugs.