 They looked tired at times, especially Mel Blatt, who perspired heavily under the lights, and while their routines were competent, serious questions have to be asked about their live skills, with accusations of miming rumbling frequently around the room.Luckily for All Saints, this didn't feel like a symptom of decline, having always employed minimal physical effort, simple choreography, and heavily produced vocals.All Saints are not natural live performers, but against the odds, last night's showing provided some optimism about their comeback potential.