21.   At arena rock concerts, audience members often bat balloons and beach balls back and forth over their heads.

22.   At moments, the rally seemed like a rock concert, with the presidents as the main act.

23.   Audiences are graying because young people find movies and rock concerts more fun than theater.

24.   Baseball in Seattle was a rock concert drenched in tobacco juice.

25.   Boone cites a rock concert or sporting event as an example.

26.   Bouncing back and forth, the cheers made an epic baseball game seem like a rock concert where the audience insisted on providing backup vocals.

27.   Box Office International will have theater, classical music and opera tickets made available for pickup at the box office, but not for rock concerts.

28.   A few years ago people bought tickets to rock concerts because they wanted to hear the music.

29.   A few years later, however, he was tricked into appearing at a rock concert.

30.   A long bulletin board held a dozen or so ticket stubs from rock concerts, as well as letters of thanks from low-level state employees.