John Lloyd and Noel Fielding welcome comedian Nish Kumar, Professor Rachel Armstrong and composer Howard Goodall. From 2016.

The Professor of Ignorance John Lloyd and his new curator Noel Fielding welcome:

* BBC Radio 4 Extra's Newsjack presenter and half of the double act Gentlemen of Leisure, the writer and comedian Nish Kumar

* Professor of Experimental Architecture and TED fellow Rachel Armstrong

* Award-winning composer of choral music, stage musicals, film and TV scores, Howard Goodall.

The Museum's Guest Committee speculate on the appeal of a 50 year-old piece of vinyl; a magic spell in a bottle; and an extinct piano with no keys.

Researchers: Mike Turner and Anne Miller of QI.

Producers: Richard Turner & James Harkin.

A BBC Studios production for BBC Radio 4 first broadcast in July 2016.