Misc: in 'the wizard of oz', which character sang "come out, come out, wherever you are"?

Questions

B Movies: John Travolta is a sound FX man who discovers a murder?

B Movies: JOhn Wayne leads Filipino guerillas to victory in the South Pacific (1945)?

B Movies: Kathleen Turner's first film was this Kasdan steamer?

B Movies: Paul Newman plays Louisiana governor Earl Long?

B Movies: Tim Robbins satire about a right-wing, folk singing, Senatorial candidate?