Simplify the following text for a Grade 7 native English-speaking person.
Original: Some major names of early 80s funk include : Cameo , Zapp , The Gap Band , The Bar-Kays , and The Dazz Band .
Simplified: These included Cameo , Zapp , The Gap Band , The Bar-Kays , and The Dazz Band all found their biggest hits in the early 1980s . However , by the latter half of the 80s , funk had lost its commercial impact .