Misc: What did Emerson, Lake & Palmer burn on stage during their concerts?

Questions

Who wrote the thrillers, "Sheba" and "Year of the Tiger"?

Who wrote the fantasies "Popcorn" and "This Other Eden"?

Which American female vocalist had a hit in 1980 with "Call Me"?

Urea is essentially made up of carbon dioxide and which other chemical?

In which everyday household products would find alkyl benzene sulphonate?