Monty Python Lyric: You're so near to Russia, so far from Japan..?

Questions

Who sang with the Wailers?

"Time In A Bottle" hit #1 just three months after his death.?

Freddie Mercury died due to illnesses related to this disease.?

Infamous "Hustle" composer who died at the age of 35.?

Lead singer of the teenagers, who died of a drug overdose.?