Bread & Puppet returns to Barre's Old Labor Hall, 46 Granite St., Sunday, April 14, at 5 PM with "Diagonal Man: Theory and Praxis." There'll be song, dance, magic, and stunning cardboard and paper maché puppets followed by Bread and Puppet's famous free sourdough rye bread with aioli butter and the Old Labor Hall's delicious soup. Admission is a sliding scale of $10-$25. No one will be turned away for lack of funds.