Related Clues:
- 'Billboard' entries
- Thwacks
- Search engine count
- How the dance may be 30 across in song
- Sing for publicity for the dance
- Are they sung to publicise the dance?
- Top 40 station's playlist
- Singles, e.g
- Top Ten tunes, e.g
- #1's, e.g
- See 1
- See 11
- They're taken from a bong
- Modern measures of popularity
- Theater successes