Misc: How many sides does a pentagon have?

Questions

according to the bee gees, where did all the lights go down?

how many points make a perfect game in tenpin bowling?

in the 1958 hit 'purple people eater', what is the last word spoken by the purple people eater?

what was the title of the commodores' hit 'she's mighty mighty just lettin' it all hang out'?

in 'american pie', who does don mclean refer to as 'the king'?