All religions have periods in their history which are looked back to with retrospective fear and trembling as eras of persecution, and each religion has its own book of martyrs.
Family, work, familiarity. Listen, if I had a magic wand and I could make myself really be happy, I'd zap me onto a farm. And I know nothing about farming.
So all of the music had reference, or is inspired by something of the dharma that I've come in contact with.