Pop Master (not MS)

This is Smokey Robinson and Daryl Hall brilliantly singing ‘I don’t Know why.’

http://www.youtube.com/watch?v=T-12NIlgbIo

Questions

A)who originally sang the song and got it in the charts?

B)What was the name of this artists father?

C)What group is he famous for playing with?

No googling

Sorry Pat, he might have done it but did not get it in charts.

Answers are

a) Nora Jones

b) Ravi Shanker

c)Played with the Beatles