There is clearly some kind of an official group that has some sort of political role to play, which is popular in its character.

很显然需要有一个官方组织,扮演某种政治角色,从属性上来说这很常见

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I think the answer is that both play a role but some of the effects are due to stereotypes above and beyond in-group favoritism.

我想两者都有,但刻板印象的影响,要高于组内偏爱。

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We're going to play across the world with this group.

我们甚至可以在全世界开演奏会

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