Pop-culture of the Kaiserreich

What would the Beatles be like in a KR timeline? Would they be British or Canadian?
Would the Beatles even exist in KR? Considering the effect that events like the British Revolution are going to have on people in the British Isles, I’m willing to bet that the main members of the Beatles won’t even be born in KR’s world.
What do you guys think Sliders would be like in a KRTL?
In Sliders they tried to avoid the most common AH´s, like "nazis win" and "Southern win". So I think, there will be nothing about WKII and 2ACW.