There has to be give and take in a marriage, Tannis's father tells her when she becomes engaged. You'll find the lasting value of a marriage appears not at the beginning but later, towards the end. It is a journey, not a destination. And it's how you travel, day by day, that makes the difference. The seven linked stories comprising Incidental Music show Tannis facing the contretemps of maturity, mid-life, aging and abandonment.