The song that plays in the background is called Iris by the Goo Goo Dolls - Catherine's favourite at the time.
We had this song playing as we left the church, taking Catherine to her final resting place.
Every time I hear that song - and Chasing Cars by Snow Patrol - no matter what I'm doing or where I am, I come to a complete standstill and totally crumple up emotionally - not always visible to an onlooker.
All my emotions are locked inside, waiting patiently to erupt.