There are lots of talent (s) in the pop music field in korea. As you've noted, for is the ordinary preposition to use after. Talents would refer to several skills and abilities, rather than to the persons possessing them.
Examples of Warning Signs You Shouldn't Ignore
没错，这节目是britain's got talent，字面意义是“英国有能人”，即是“英国达人秀”。 talent表示“天赋、才干”，不可数，如果后接名词，表示某方面的天赋，用介词for： she displayed a talent.
Talent can be a singular noun, referring to a person or people who are talented.
I probably hear and read at more than any other preposition after the adjective talented:
