Song List. -Barney Theme Song (0:00). -If You're Happy and You Know It (1:41). -Please and Thank You (4:14). -The Barney Bag (6:39). -The Yum Yum Song (10:42). -The Waitress Song (13:02). -People Helping Other People (16:55). -Clean Up. Do Our Share. (21:16). -I Love You (23:52).