02:30AS Byatt - The Frederica QuartetBabel Tower, Part 6/8BBC Radio 4 Extra Duration: 15 minutes Tue 28th Jun 2016, 02:30 on BBC Radio 4 ExtraFrederica's estranged husband Nigel demands to see his son Leo and she finds a new love interest. Stars Mark Bazeley.GenresDramaClassic & PeriodSeriesAS Byatt - The Frederica Quartet Source: BBC Online