I just met with a couple who is getting married later in the year. They are lovely people who chose most of the music for their reception. This will tie my hands a bit when it comes to taking requests, but this is perfectly fine with me.
Show tunes not your thing? What about heavy metal complete with a mosh pit at your reception? One of our couples had a very punk-rock style and absolutely loved heavy-metal music, mosh pits and crowd surfing at shows.