Simplify the following text for a Grade 6 native English-speaking person.
Original: During this period , she had her last US chart single with a cover of Smokey Robinson 's `` Get Ready '' , previously a hit for The Temptations , and some months later a top-five hit for Rare Earth .
Simplified: During this time , she had her last US chart single with a cover of Smokey Robinson 's `` Get Ready '' , which had already been a hit for The Temptations . After she recorded it , it was also a hit for Rare Earth .