HIGHLIGHT: The Choir As part of Radio 3’s Martin Luther’s Revolution, Sara Mohr-Pietsch explores how English church music was affected by the Reformation.

Sunday 4pm, Radio 3

TELEVISION: Friday 9pm (C5) Spectacular Spain with Alex Polizzi On her tour of Spain, the presenter visits Santiago de Compostela (6/6).

Sunday 10am (BBC1) The Big Questions Nicky Campbell presents a debate on the effectiveness of humanitarian interventions.

4.15pm (BBC1) Songs of Praise Sally Magnusson presents an episode from Guernsey, which is marking its liberation from occupation in the Second World War.

RADIO: Saturday 12.15pm (R3) Music Matters Jan Vogler, of the Dresden Music Festival, tells how new music has been commissioned for a 1927 film about the Reformation.

Sunday 8.10am (R4) Sunday Worship A service from the Church of Ireland St John’s, Orangefield, Belfast.

9.30am (World Service) Heart and Soul A journey with the Bishop of Central Tanganyika, the Rt Revd Dickson Chilongani.

3pm (R3) Choral Evensong A repeat of last Wednesday’s archive recording from 2005 of Gonville and Caius College Choir, Cambridge, at Waltham Abbey.

6.45pm (R3) Sunday Feature: Reformation 500 Chris Bowlby visits Wittenberg.

Wednesday 3.30pm (R3) Choral Evensong From St Pancras Church, during the London Festival of Contemporary Church Music.