music: 80's Chart Toppers: Name The Artist: Yesterday's Songs?

Questions

what line in a johnny cash song follows "because you're mine"?

what little river band tune opens with a melody identical to the i love lucy theme song?

what looks like a saxaphone but sounds like a harmonica?

What lynched crook does Carol King sing about on her Tapestry album?

what major does david bowie's 'space oddity' refer to?