It is so important that our lives are built not on our feelings or circumstances, but on the word of God, and songs can really help us to meditate on and retain truth. I know from the correspondence I regularly receive that if you can express in songs the profound truth of the gospel in a poetic yet accessible way, they really can have an impact in people's lives.
There are few things in this world more satisfying than having your son teach you how to play tennis, unless it is having a semi-truck run over your foot.