music: Disney Tune: "All the birds sing words & the flowers croon..."?

Questions

What was the profession of J.B.Dunlop, inventor of the pneumatic tyre?

In Shakespeare's 'Merchant of Venice', with whom does Portia fall in love?

Who wrote the song 'There's no business like show business'?

On TV what was the name of the Beverly Hillbillies bank manager?

With which instrument is Leon Goossens associated?