Through the wholesale destruction of the representatives of a class that from the beginning of history had been the directing and creative force in civilization, a process began which was almost mechanical. ↗
The sanitary and mechanical age we are now entering makes up for the mercy it grants to our sense of smell by the ferocity with which it assails our sense of hearing. ↗
But, I don't think any arranger should ever write a drum part for a drummer because if a drummer can't create his own Interpretation of the chart and he plays everything that's written, he becomes mechanical; he has no freedom. ↗
You don't have to find out what someone's mechanical abilities are. All those factors are already a known commodity. I've seen teams win championships and have their entire team quit the next day because they weren't happy. ↗