Known for her anthem "Murder on the Dancefloor," Sophie Ellis-Bextor, a chart-topping pop diva with a glossy, disco- and '80s synth pop-influenced dance sound, live at Webster Hall this Tuesday! One of the biggest British pop artists to emerge in the 2000s, Ellis-Bextor initially garnered buzz as the lead singer of the jangly Brit-pop band theaudience before her solo hit, "Murder on the Dancefloor," helped take her 2001 debut, Read My Lips, to number two on the U.K. Albums Chart.