BGT stars set pulses racing with dance workshops   BRITAIN’S Got Talent finalists Twist & Pulse took a special workshop of students at performing arts school Makin’ Steps on Tuesday. Ashley Glazebrook (Twist) and Glen Murphy (Pulse) took two workshops at Potters Street Community Centre, one for younger students and the other for an older group. The ages of those who took part ranged from seven to 27. Around 70 of the school’s pupils took part in the workshops. As well as the classes they were also given a dance demonstration by the boys.Twist & Pulse said after the workshop: “We really enjoyed teaching