Waterloo West High School West High Story performance at the 2008 Kennedy Show Choir Invitational. This is clip 3 of 4.

Washington Vivace's performance at the 2008 Kennedy Show Choir Invitational. This is clip 5 of 5.

Xavier High School Xhilaration performance at the 2008 Kennedy Show Choir Invitational. This is clip 3 of 5.

Xavier High School Xuberance performance at the 2008 Kennedy Show Choir Invitational. This is clip 5 of 5.

Kennedy's Happiness, Inc. exhibtion performance at the 2008 Kennedy Show Choir Invitational. This is clip 2 of five.

Here's another time-lapse video from Black Iris Photograph.

Johnston Middle School Sound Advice performance at the 2008 Kennedy Show Choir Invitational. This is clip 4 of four.

Kennedy's Happiness, Inc. exhibtion performance at the 2008 Kennedy Show Choir Invitational. This is clip 3 of five.

Xavier High School Xuberance performance at the 2008 Kennedy Show Choir Invitational. This is clip 2 of 5.

Kennedy's Happiness, Inc. exhibtion performance at the 2008 Kennedy Show Choir Invitational. This is clip 5 of five.

Washington Vivace's performance at the 2008 Kennedy Show Choir Invitational. This is clip 2 of 5.

Washington Vivace's performance at the 2008 Kennedy Show Choir Invitational. This is clip 4 of 5.

Benton Jubilation Inc.'s performance at the 2008 Kennedy Show Choir Invitational. This is clip 4 of four.

Urbandale Studio 2008's performance at the 2008 Kennedy Show Choir Invitational. This is clip 1 of 5.

Johnston Middle School Sound Advice performance at the 2008 Kennedy Show Choir Invitational. This is clip 3 of four.