Manual focus and concert photography, anyone pulled it off?



I really want an 85mm f/1.4 AF lens. I can’t afford an 85mm f/1.4 AF lens, but I can afford a MF one.
I want to use it for concert photography, which I’ve recently got hooked on (I’m currently using a 50mm f/1.8 AF)Question is, does MF have a place in the world of concert photography where the band is usually moving around? Has anyone here pulled it off successfully?

Please help.

I did not find the right solution from the internet.

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