How great it is to cover any Earth, Wind and Fire song to catch their spirit. 

                                             http://www.youtube.com/watch?v=_XOY7lsBVpo  Let's Groove tonight

                                              http://www.youtube.com/watch?v=_jLGa4X5H2c   Boogie Wonderland

                                    http://www.youtube.com/watch?v=jCOOP0bbGfs  Old interview