Songs: The _____Boys Medley - The Beach Boys?

Questions

who released the album 'superunknown' in 1994?

in cricket, what is 'lbw'?

in don mclean's 'american pie', who was he singing about in 'the day the music died'?

where does nodding the head mean no, and shaking it mean yes?

in pool, what colour is the eight ball?