Misc: In 1969 Levi Eshkol dies, ---------- becomes premier of Israel. ?

Questions

who sang for 'bad company' and 'the firm', then went out on his own?

who discovered the grand canyon?

in 1981, who won song of the year with 'sailing'?

who collaborated with john lennon on 'whatever gets you through the night'?

who founded 'live aid' and 'band aid'?