While it's true that you don't need a degree to dance, there ARE doctorates in dance if you want to pursue one; a couple of schools in the US that offer the degree are Temple and Ohio State Universities. I've linked the names of the schools to their pages on the program so you can read about exactly what is involved.
There is not a doctorate in dance and you don't need a college degree to dance. All you need is talent, focus, practice, a bit of luck, and to persevere with your goal.
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What age is needed to dance gumboots
A doctorate is a good start
You typically need an AuD, or a doctorate in audiology.
For some doctorate degrees, like the MD degree, an internship is needed after graduation for the degree to actually become valid.
you need to know how to dance
a choreographer needs a dance degree for a particular type of dance
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Stamina is very important in dance as dance is a highly fatigues activity and stamina is needed to prolong your capability. So basically you need stamina to last longer during tiring activities.
Within the US today, a pharmacist must have a doctorate degree (Pharm.D)
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A good coreagrapher