Complex sentence: In June 2009, Conan O'Brien will take over hosting duties from Jay Leno with Max Weinberg replacing Kevin Eubanks as band leader with the Max Weinberg 7 (the house band from O'Brien's previous show) forming the new Tonight Show band.
Split into simpler sentences: In June 2009, Conan O'Brien will take over hosting duties from Jay Leno. As well Max Weinberg will replace Kevin Eubanks as band leader with the Max Weinberg 7 (the house band from O'Brien's previous show) forming the new Tonight Show band.