Sentence:  Ennio Morricone... is my favourite composer - and when I say favourite composer, I don't mean movie composer - that <WSD>ghetto</WSD>. I'm talking about Mozart, I'm talking about Beethoven, I'm talking about Schubert. That's who I'm talking about. 
Meaning of the word marked with <WSD> tags:  An isolated, self-contained, segregated subsection, area or field of interest; often of minority or specialist interest.