Calvin Theater

Pixies launched tour in Northampton w/ Paz on bass; Marc Mulcahy opened (pics & setlist)

Lenchantin, who has played with A Perfect Circle and Billy Corgan’s Zwan, occasionally looked like she couldn’t believe her luck. She grinned as she swung the neck of her bass on the sardonic “U-Mass,” added sweet, high vocals to “Bone Machine” and threw down an overpowering bassline that rattled the entire building on “Bagboy,” a song the Pixies released last summer shortly after Deal left…