Westlife is an Irish boy band formed in 1998, known for their harmonious vocals and heartfelt ballads. The group originally consisted of members Shane Filan, Mark Feehily, Kian Egan, Nicky Byrne, and Brian McFadden, who later left the group. Westlife quickly rose to fame with their debut single 'Swear It Again,' which topped charts in multiple countries. They became known for their powerful covers, including 'You Raise Me Up,' which remains one of their signature songs. Over the years, Westlife has released numerous albums and sold over 30 million records worldwide. Their ability to connect with fans through emotive music has solidified their legacy in the pop music scene.