What 1853 work broke new ground in the history of opera by dealing with contemporary life rather than a historical or mythological subject?

Who was NOT a noted female singer during the swing era?

a) Connee Boswell b) Mildred Bailey c) Billie Holiday d) Mary Lou Williams

"Love; that's a trap. Responsibility; that's a trap too. Like a father to a son I tell you this: Life is full of horror; nobody escapes, nobody; save yourself."

Fill in the blank(s) with the appropriate word(s).