Complex sentence: Also usually appearing were guest singers and musical groups, among them The Tokens, The Spinners, and Sister Sledge, as well as up and coming singers and stars such as Alaina Reed, Kelly Garrett, Jane Olivor, and Irene Cara.
Split into simpler sentences: Also usually appearing were guest singers and musical groups, among them The Tokens, The Spinners, and Sister Sledge. As well as up and coming singers and stars such as Alaina Reed, Kelly Garrett, Jane Olivor, and Irene Cara.