Stuck between a few headphones to buy

I'm stuck between the ATH-M50X, DT770 pro and HD560s... anything around this budget range is fine but these are the 3 I've narrowed it down to. They are mostly for music production. Would be good to hear peoples opinions from anyone with experience... thanks

I currently have the DT 770m but they are for drummers mainly so it's main focus is isolation, not sound quality. I'm looking to sell these and buy better headphones for mixing in FL Studio.

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