Does iTunes sell Ain't Nobody Got Time For That?
I checked but I'm not sure.
The song "Ain't Nobody Got Time For That" is not being sold at iTunes, since it's not listed on the iTunes Store. You can get some of the songs on iTunes Store, at https://www.apple.com/itunes/charts/songs/.
Sadly no. I've searched for it many times under "Sweet Brown", "Ain't Nobody got time for that", and "I got bronchitis", so, as I stated above, I do not think so.
Nope. But that song is really catchy.