Instant Index: Flash Mob at the Air and Space Museum

Diane Sawyer reveals the stories people have been buzzing about this week.
3:00 | 12/09/13

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Transcript for Instant Index: Flash Mob at the Air and Space Museum
We know what it means to serve. Our monday "instant index" begins with the time of the year to deck the halls but before you put up your decorations, take a look at this wreath. See the texas secret in it? Can you see those are not holy berries but rubies and diamonds. A joint venture between a florist and a jeweler. It's worth $4 million, the most expensive wreath in the world. No kidding. Speaking of christmas, it started as an ordinary day at the national air and space museum in washington d.C. A lone cellist from the usair force band started playing a christmas classic. Then the band started to grow and grow and grow. Even a harpist joined in and then cue a chore us. ♪ ♪ a hush fell over the crowd as the families relished the flash mob of christmas cheer. ♪ Joy to the world ♪ and in late news tonight, we have a passing to note, a member of the iconic cast of the movie, "the sound of music." You thought you wouldn't find a friend at the party. The barronness who vied for the captain's attention facing off with a pucky none maimed The actress was brought to life by eleanor parker who has died at the age of 91. Still ahead here a return to

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