CHRISTMAS STAR | The Randolph Singers hosted a special guest at Sunday''s Holiday concert. Riley, an all white poodle exuberantly joined in the singing of 'Jingle Bells' to the delight of singers and audience alike. Riley's housemate, director Lindsey Warren, a professional singing coach, observed following his Chandler debut, "His howel is a bit pitchy, but Riley makes up for that with enthusiastic presentation!" (Herald / Bob Eddy)