Complex sentence: The show's popularity, particularly in the United Kingdom, led to the formation of a music group known as The Kids from "Fame"; the main vocalists were Allen, Ray, Curerri, Valerie Landsburg, Erica Gimpel, Carlo Imperato and Lori Singer.
Split into simpler sentences: The show's popularity, particularly in the United Kingdom, led to the formation of a music group, The Kids from "Fame". The main vocalists were Allen, Ray, Curerri, Valerie Landsburg, Erica Gimpel, Carlo Imperato and Lori Singer.