Complex sentence: During this period the orchestra gave fund-raising concerts in which guests from outside the world of classical music appeared, including Danny Kaye, Duke Ellington, Tony Bennett, Victor Borge, Jack Benny and John Dankworth.
Split into simpler sentences: During this period the orchestra gave fund raising concerts in which guests from outside the world of classical music appeared, including Danny Kaye and Duke Ellington. Others to appear with the LPO included Tony Bennett, Victor Borge, Jack Benny and John Dankworth.