Findings:
- Ballet mecanique
- Spandau Ballet
- Ballet
- Bone Palace Ballet
- Royal Ballet
- The Garden Ballet
- Canadian Ballet
- Farm Life Ballet
- Just because I like ballet it doesn't mean I'm a poof
- Ballets Russes
- Buffalo Ballet
- Bolshoi Ballet
- Ballet foot positions
- New York City Ballet
- School of American Ballet
- Pacific Northwest Ballet
- Pittsburgh Ballet Theatre
- San Francisco Ballet
- American Ballet Theatre
- Carolina Ballet
- National Ballet School of Canada
- Ballet dancers don't wear diapers
- modern ballet
- Australian Ballet
- Royal Danish Ballet
- The Ballet or the Bullet
- Les Ballets Trockadero de Monte Carlo
- International Ballet Competition
- ballet (user)
- The Harlequin, The Robot, And The Ballet Dancer
- Life is a ballet, and I can't stop doing the Mashed Potato
- ballet shoes
- Glastonbury Festival
- Great American Beer Festival
- Renaissance Festival
- Monterey Pop Festival
- Michigan Womyn's Music Festival
- Festival of the Dead
- pumpkin festival
- Fringe Festival
- US Festival
- festival
- music festival
- Great Midwest Marijuana Harvest Festival
- Sundance Film Festival
- Geek Pride Festival
- Venice International Film Festival
- Mid-Autumn Festival
- Tulip Festival
- Cannes Film Festival
- Detroit Electronic Music Festival
- Seattle Rain Festival
- Dragon Boat Festival
- Chinese lantern
- Roskilde Festival
- Hinamatsuri
- Toronto International Film Festival
- Sternwheel Festival
- Spike and Mike's Sick and Twisted Festival of Animation
- penis festival
- Wheatland Music Festival
- Festival of Asia
- Sukkot
- Sacramento Salmon Festival
- Lodi juggling festival
- IUSY Festival 2000
- Bele Chere Festival
- Greenbelt Festival
- The Festival theatre
- Stratford Festival
- Hadaka Matsuri, The Naked Festival!
- Cornerstone Festival
- The frabjous funky frozen Twin Cities E2 whirling festival of doom
- Coachella Music and Arts Festival
- Festival de la Canción de Viña del Mar
- New Media Underground Festival
- Britt Festival
- Mushroom Festival In Hell
- Fallowfield Music Festival
- Film Festival
- Strawberry Music Festival
- Missing the frabjous funky frozen Twin Cities E2 whirling festival of doom
- Attending the frabjous funky frozen Twin Cities E2 whirling festival of doom
- Heritage Festival
- Festival of Gold
- Testicle festival
- The Ferrara Busker's Festival
- Couscous Festival
- Northern California Cherry Blossom Festival
- Mellon Jazz Festival
- Lilac Festival
- Spoleto Festival
- San Francisco Electronic Music Festival
- Reading Festival
- Festival of Ganja
- Vaishnava Festivals
- Toronto Street Festival
- Florida Seafood Festival
- Roskilde Festival tragedy
- Falcon Ridge Folk Festival
- Popcorn Festival
- Silly people in silly clothes - a NoCal E2 Renaissance Pleasure Festival
- The Moon Festival
- Gainax Festival
- apt festival
- Montreal International Jazz Festival
- H.O.R.D.E. festival
- Yukon International Storytelling Festival
- NatFilm Festival
- The Norwegian wood music festival
- Jolablot: The York Viking Festival
- Magnolia Independent Film Festival
- Next Wave Festival
- Maine Lobster Festival
- North Sea Jazz Festival
- Arctic Comic Festival
- Kipona Festival
- Naked Push-and-Shove Festival
- Noise Pop Festival
- Goat-tossing festival of Manganeses
- Cannes Film Festival 2002
- Black Sheep Puppet Festival
- Garlic Festival Foods
- Heilala Festival
- King's Festival
- Newport Folk Festival
- Great British Beer Festival
- Ottawa 02 International Animation Festival
- Edinburgh Festival
- The Outback Eclipse Festival
- Bridgetown Blues Festival
- beer festival
- Berkshire Mountain Music Festival
- Uncle Dave Macon Days Festival
- New Year Festival
- Festival of Anna
- The Leeds Festival riots
- San Francisco Free Folk Festival
- Santa Barbara International Film Festival
- National Basque Festival
- Sziget Festival
- The New Earth Festival
- Pork Festival
- Splashy Fen Music Festival
- Chinese Lantern Festival
- New York Film Festival
- Denver International Film Festival
- Kudzu Film Festival
- Slamdance International Film Festival
- Berlin International Film Festival
- Academic Festival Overture
- Leeds Festival
- National Oldtime Fiddling Contest and Festival
- Melbourne International Film Festival
- Festival of Britain
- Curiosa Festival
- A Festival (user)
- Sonar Festival
- Nikola Tesla Film Festival
- Download Festival
- Toronto Fringe Theatre Festival
- Edinburgh International Festival
- Spike and Mike's Festival of Animation
- Eden Mills Writers Festival
- Atlanta Pop Festival
- Williamstown Theatre Festival
- Festival Hall
- IVFDF
- Inter-Varsity Folk Dancing Festival
- Minneapolis Saint Paul International Film Festival
- World Youth Festival
- Albuquerque Wine Festival
- Highland Maple Festival
- Om Festival
- Community arts festival
- Lowell Folk Festival
- ((((Kandy Festival)) (user)
- Kandy Festival (user)
- Gilroy Garlic Festival
- Spittoono Festival
- Brouhaha International Street Festival
- International Folk Dance Festival
- Festival of Death
- Live at the Isle of Wight Festival 1970
- Oregon Shakespeare Festival
- May 2014: Festival, Faith, and Fury
If you Log in you could create a "London Festival Ballet" node. If you don't already have an account, you can register here.