[patton]

A mathematician.

[KayEyeDoubleDee]

Famous Band, Math Major...

Any more hints?

I didn't get many hits at IMDB; here's a "Jowharah Jones", who started out as a math major:

http://www.imdb.com/name/nm1821184/bio

And here's a Czech opera singer, who dabbled in mathematics, but she would be 70 now [if she's even still alive]:

http://www.imdb.com/name/nm0709955/bio

I know that Gwendoline Yeo has a degree from a music conservatory, but I don't know whether she studied math at UCLA:

http://imdb.com/name/nm1290102/bio