How Many Genius Mixes Are There in iTunes?
We can crowd source this:
  
  
  Please type very carefully. Don't split combinations that use "&amp;" or
  "/"- just list them as you see them. Do remove the word "Mix" from the
  end.
  If you have Brit Pop and Brit Pop 2, add in ( 2 ) or ( 2 3 ) if
  you have more than one mix with the same name.
  


These mixes have been observed already "in the wild."


Acoustic Blues
Adult Alternative
Adult Alternative Pop
Adult Alternative Rock
Adult Contemporary
Adult Pop/Rock
Alt. Folk
Alt Metal
Alt Pop
Alt Singer/Songwriter
Alternative Country
Alternative Pop/Rock
Ambient
Americana
Animation
AOR Classic Rock
Art &amp; Experimental Rock
Art &amp; Progressive Rock
Big Band &amp; Swing
Black &amp; Death Metal
Bluegrass 
Blues, Boogie &amp; Southern Rock
Bossa Nova
Brazilian Pop
Brazilian Folk &amp; Traditional
Breakbeat
Brit Pop
Brit Pop &amp; Rock
British Invasion
Canto-Pop
Celtic
Chamber Pop
Children's
Christian Pop/Rock
Christian Urban
Classical
Classical Crossover
Classical Instrumental
Classic R&amp;B
Classic Hard Rock
Classic Punk (2)
Classic Rock (2)
Classic Ska
Classic Soul
Comedy
Conscious Rap (2)
Contemporary
Contemporary Country
Contemporary Folk
Contemporary R&amp;B
Cool &amp; West Coast Jazz
Country
Christian Rock
Dance Pop
Danceclub
Dancehall &amp; Ragga
Disco
Dream Pop
East Coast Rap
Electric Blues
Electro Pop
Electronica
Electronica Mainstream
Emo
Europop
Folk (2)
Folk Rock
Folk-Pop
French
Funk
Gangsta Rap
Goth (2)
Gothic Metal
Grunge
Hardcore &amp; Thrash
Hard Bop &amp; Post-Bop
Hard Rock &amp; Stoner Rock
Heavy Metal
Hip-Hop/Rap
Honky Tonk &amp; Outlaw
House
Indie Pop
Indie Rock
Indie Rock &amp; Lo-Fi
Industrial
Israeli
Jam Bands
Jazz
Jazz Vocals
Jungle / Drum n' Bass
J-Guitar Rock
J-Pop 
J-Pop Dance 
J-Pop Female 
J-Pop Urban 
J-Rock Female
Kammerpop
Korean Pop
Latin Dance/Pop
Latin Folk &amp; Traditional
Latin Rock
Latin/World Jazz
Lounge
Mainstream Rock
Mandarin Pop
Meditation
Metal
Minimalist
Musicals (3)
Neo-Soul
New Age
New Age/World Music
New Wave
Nü-Metal
Old-School Rap
Pop
Pop Metal
Pop-Soul
Post-Modern Rock
Post Punk
Power Pop
Progressive House
Progressive Metal
Punk (2)
Punk Pop
Punk Rock
Quiet Storm
Reggae
Rock Singer/Songwriter
Singer/Songwriter
Ska
Soft Rock
Soft Rock Oldies
Soul
Soundtracks
Southern Rap
Surf/Garage Revival
Swing Revival
Synth-Pop 
Techno/House
Teen Pop
Traditional Acoustic Blues
Traditional Folk
Trance
Trip-Hop (2)
Urban Crossover
Video Games
Vocal
West African
West Coast Rap
World
'50s Oldies
'60s
60's Psychedelic Pop/Rock
'70s Pop