tv/ movies: theme songs: movie that featured "the children's marching song"?

Questions

She wrote the song "Wind Beneath My Wings"?

Side project with 3/4 of REM?

Sinatra had a hit duet with this singer on "I've Got You Under My Skin."?

Singer leads a group of prostitues against a ruthless pimp.?

Singer of "Poor Little Fool," he died on New Years Eve of 1985.?