1: Music only sometimes triggers an emotional response itself.
Often, the situation in which the song's first encountered (or first 'listened to') is what you build a memory out of which that song can trigger. Example:
2: Solsbury Hill is apparently a rather impressive tune.
That's the only one that I can look at and sort of think it's speaking to the emotions, rather than acting as soundtrack to the situation.
3: Sometimes, the influence you've had on people's musical taste is more than you thought it was.