Kishore Kumar songs

These are few of super hits from the legend Kishore Kumar:
http://www.youtube.com/watch?v=n-6e6zS6XFg
http://www.youtube.com/watch?v=OU7ofqh3T0s
http://www.youtube.com/watch?v=4ls1uuqaKDw
http://www.youtube.com/watch?v=OGry5wA70z8
http://www.youtube.com/watch?v=DBKMq88xAoo
http://www.youtube.com/watch?v=hAlD6zehT5E Zindagi ka safar