Simplify the following text for a Grade 4 native English-speaking person.
Original: In early 2003 , the lineup was completed by Amy Lee and Ben Moody 's friends , John LeCompt , Rocky Gray and Will Boyd , all of whom worked on Evanescence 's earlier songs .
Simplified: Three of Lee and Moody 's friends joined the band . They were John LeCompt , Rocky Gray and Will Boyd .