John Lloyd and Romesh Ranganathan this week are joined by comic conductor Rainer Hersch, doctor-turned-Antarctic adventurer Beth Healey and fabric artist Kaffe Fassett.

Rainer Hersch, a comedian and conductor, whose shows have included why organ music is so boring and has performed in 30 countries. provides the descant recorder, because all of the world's greatest music can be played on this cheapest of musical instruments. Rainer gets 10 members of the audience to play "Twinkle Twinkle Little Star".

Beth Healey, a former doctor who later went to "White Mars", an Antarctic station where people are sent to in order to see how people can cope if they were sent to Mars, gives the Museum the International Space Station, because of the amount of research that has been carried out on it has helped us down on Earth.

Kaffe Fassett, an artists who specialises in fabrics who has written about 40 books and had a show at the Victoria and Albert Museum - the first to a living fabric artist, offers Watts Towers, an artistic sculpture built in one of the most dangerous area in LA.