Mix DMX 512 and 507?

I have 2 spotlights (eurolite Akku Mini Party RGBW Spot MK2 and fungeneration LED Pot 12x1W QCL RGBWW 15°) the fungeneration always works, regardless of whether I connect controller→eurolight→fungeneration or controller→fungeneration→eurolight, but the eurolite never works. Now I'm thinking that my console is only compatible with DMX512 and not DMX507. Could that be the case?

Use organ samples on a normal keyboard?

Hi Arlecchino…. 😁 or maybe another unexpected knowledgeable person. I would like to use sacred organ samples in live performances, but I have never dealt with home church organs/virtual organs, keyboards, or computers. [This probably doesn't matter, or it doesn't matter much, but I might be wrong. I'd like a 4-octave keyboard without a pedalboard—a…