Misc: what did homer write about in 'the iliad'?

Questions

you should be ________ (bee gees)?

Composer of: Capriccio Italien, andante Conscabile, Sleeping Beauty Waltz?

Composer of: God Bless America, Always, Cheek to Cheek?

Musical with songs:Anything You Can Do, They Say It's Wonderful?

Operatta with songs: Barney O'Flynn, I Can't Do the Sum, March of the Toys?