Instant Index Best Of: The Show Must Go On

for only 50 delicious calories. Looking back on a champ yip band surprise. And our viewers to the rescue. This week's index with that old saying, the show must go on. Look at this pile up at the high school marching band in texas, one tu one tuba taking a tumble. The other musical moment going viral. 21-year-old chelsea getting the surprise of a lifetime when singer michael buble pulled her out of the crude to sing a duet. When she started singing he gets a surprise of his own. Chelsea blows away the crowd and blows away buble, too. And finally, the video so many of you responded to, world news with the american doctor, patients blind one day, able to see again the next. Dr. Tabin's procedure done in seven minutes, tonight telling us he's overwhelmed, the donations growing even more. 2,126 world viewers donating $178,000 to give people their sight. You can't beat american