music: What group sings the songs 'Mysterons', 'Western Eyes', and 'Sour Times'?

Questions

What is the name of the film company owned by Speilberg,Katzenberg and Geffen?

What was the title of Speilbergs first feature movie?

Which of speilbergs films centres on aboy living in Shanghai at the outset of WWii?

What was the first Speilberg movie to be shot completely on soundstages?

Who came out of retirement to play the role of Richrad Dreyfuss' spiritual guide in Always?