Classical Music: What Was Your Gateway Drug? (PLAYLIST)

There seem to be fewer and fewer "classical music people" in the world, but we like to think there's still a number of you out and about. Some classical music lovers are born, but many others are made. In that vein, we asked on Facebook and Twitter whether there was a particular composer or piece of music that converted you into a "classical music person"—what was your gateway drug, if you will, into the world of classical music?
We got so many lovely responses (lots of classics) that a Spotify playlist seemed in order. Behold, the Gateway Classical Music playlist, as suggested by users (plus a few from the Culture team):

(Scroll to see all 30 songs)

What other songs and composers led you to your classical music habit? Tell us in the comments!