This week's guest Julian Barnes talks about his endeavours in the kitchen, how we listen to sacred music today, and Sarah chooses a piece of music that she hopes he'll enjoy.

This week's guest, astronomer Carolin Crawford, talks about whether or not she'd like to go into space herself, as well as the possibility of aliens. Sarah chooses a piece of music that she hopes Carolin will enjoy.

This week's guest, Olivia Williams, talks about how to prepare for a role at short notice, and mud-wrestling with Arnold Schwarzenegger. Rob chooses a piece of music that he hopes she will enjoy.

This week's guest, Debbie Wiseman, talks about the screen music of Joseph Horowitz, and Rob chooses a piece of music especially for Debbie based upon her musical choices this week.