Simplify the following text for a Grade 9 native English-speaking person.
Original: Beck , Bogert & Appice was a hard rock supergroup power trio formed by guitarist Jeff Beck after two previous incarnations of The Jeff Beck Group , and bassist Tim Bogert and drummer Carmine Appice who were both previously in Vanilla Fudge and Cactus .
Simplified: Beck , Bogert & Appice was a hard rock power trio formed by Jeff Beck , Tim Bogert , and Carmine Appice .