David Grant visits the Post Office church and the congregation in a tent to see how the Church of England is coming up with creative ideas to encourage new members. Hymns and music this week: I Will Sing the Wondrous Story, performed by the congregation of St Mark's Church, Maida Vale Let Us Build a House, performed by the congregation of St Mary's Warwick Here I Am to Worship, performed by the congregation of Rauch City Church, Brixton O Jesus, I Have Promised, performed by the congregation of St Alban's Church, Bristol My Song is Love Unknown, performed by Barbara Dickson at St Andrew's Cathedral, Glasgow Faith, Hope and Love, performed by Westbury on Trym Parish Church Choir and Bristol Youth Choir Yesterday, Today and Forever, performed at Salvation Army Sale, Manchester.