In the beginning Self Esteem was a joke - or at least a half-joke. A band name coined 10 years ago, by the singer Rebecca Taylor as two fingers to the insecurities and self-doubts that had long mithered her life. But over the past 18 months, Self Esteem has come to mean something more; the humour fading as the name has reflected the shift in Taylor's own opinion of herself and her place in music.