English or Viennese? My personal favorites:
English:
- Earth (Theme from "Gladiator", Casa Musica)
- Emozione (Dancelife)
- Lady Lay Down (Dancelife)
- Two Socks At Play (Theme from "Dances With Wolves", instrumental)
- Wild Child (Enya)
- Once You Had Gold (Ballroom Magic)
Viennese:
- Once Upon A December (From Disney's "Anastacia" Ballroom Swing)
- Mignonette (Casa Musica, instrumental)
- Annie's Song (Klaus Hallen)
- Que Sera (Klaus Hallen)
I highly recommend "Wild Child" and "Once You Had Gold" for EW and "Once Upon A December" for VW

Hope this helped!
"Carpe diem, quam minimum credula postero." - Horace