**A Comedy Trivia Quiz Based on Pop Music**
1. **Season and Episode Information**:
- **Season 21**: This season is the continuation of the original trivia quiz hosted by Mark Lamarr from October 2006 to October 2007, which was then taken over by Simon Amstell.
- **Episode Numbers**: Each episode has a unique number that corresponds to its air date. For example, episode #21-01 aired on November 15/7, while episode #21-04 aired on December 6/7.
2. **Guests for Each Episode**:
- **21-01 (November 15/7)**: Kimberly Stewart, Joel Pott, Lethal Bizzle, Jessica Stevenson
- **21-02 (November 22/7)**: David Cross, Jermaine Jackson, Ryan Jarman, Katy Brand
- **21-03 (November 29/7)**: Dappy, Keith Chegwin, Tahita Bulmer, Rich Fulcher
- **21-04 (December 6/7)**: Roy Stride, Bobby Davro, Kristen Schaal, Richard Fleeshman
- **21-05 (December 13/7)**: Kevin Eldon, Patrick Wolf, Irwin Sparkes, Miquita Oliver
- **21-06 (December 20/7)**: Vic Reeves, Myleene Klass, Matt Bowman, Mark Ronson
- **21-07 (January 3/8)**: Matt Horne, Martin Freeman, Antony Costa, Kate Nash
- **21-08 (January 10/8)**: KT Tunstall, Lauren Laverne, Jeremy Edwards, Jon McClure
- **21-09 (January 17/8)**: Christopher Biggins, Robyn, Mark Watson, Sam Duckworth
- **21-10 (January 24/8)**: Sophie Ellis Bextor, James Lance, Yannis, Tim Minchin
- **21-11 (January 31/8)**: Joe Goddard, Chris O'Dowd, James Nesbitt, Lightspeed Champion
- **21-12 (February 7/8)**: Jamelia, David O'Doherty, Moby, Dale Winton...
3. **Rounds and Questions**:
- The quiz includes various rounds where team members have to identify song intros hummed to them or pick out a bygone music star from a line-up of lookalikes. Popular rounds include those where participants have to identify song intros hummed to them or pick out a bygone music star from a line-up of lookalikes. Each round has its own set of questions and challenges that test the participants' musical knowledge and recall skills.
