Someone wrote me recently asking about the section of a recent Nashville: The Mood edition that dealt with why a church member had changed to a different church; the member said the difference in music was the reason, without elaborating.
It is certainly true that I have encountered many who have changed churches, sometimes denominations but often within denominations, and the most frequent reason given is a difference in music; it's somewhat of a common occurrence in Nashville, which has many small churches.
I've always been a bit skeptical. When trying to dig down into the stated reason, the explanations get rather vague, and I always get the feeling that I'm being given a cover story for the real reason(s). But reasonable people can disagree about that, and often people who change churches may not want to give the real reason(s), and don't like even being asked about it.