Scripture was Acts 17:1-9, and the theme was How does the truth of the gospel change the cultural rules of engagement? Paul goes to Athens and does his thing, the thing he finds necessary based on his reading of the Gospel, and it doesn't go over well with the natives. The second half of our musical/liturgical portion was in keeping with that theme (hence Neil Young questioning how we should be conceiving of God and the prayer about failing to love like Jesus), but for the first part I decided to flip the question to How does the truth of the gospel change? A very interesting question indeed. We started by singing some songs that in the Church's history have been very popular, and then we did a confession in light of the fact that we have very clearly gotten it wrong very often. The songs are pretty thoroughly offensive so I'm not even dignifying them with a post; you can click through if need be.
The Lord's Army here
Onward, Christian Soldiers here
Lead On, O King Eternal here
The fuller explanation is here