tv/ movies: whats the number on "herbie" the love bug?

Questions

What song was originally 'good morning to you' before the words were changed and it was published in 1935?

What song was the beatles first attempt at social commentary?

What song's words were changed and then published in 1935 as 'happy birthday to you'?

What soprano simply titled her autobiography beverly?

What soul great appears in the flick Ski Party?