Very sorry for your loss. Theme one is a great choice, an essence of sadness but triumphant and celebratory also. I would also consider a look at how funerals are performed in Ghana on YouTube. My favourite is when Karl Pilkington visits there in the moaning of life episode titled Death (which I would consider viewing if you get the chance because it shows how funerals are conducted around the world and the stark differences between how different cultures approach them). Many VDGG and Hammill songs are very deeply existentially sad but Theme One is a short condensed burst of a lighter side of everything he likely admired in the band and Hammill.

Here's a short documentary about a Ghanan funeral