I often assume that speed is by far the most common desired skill for drummers. But then again, rudimental applications around the drum set seem to also be up there.
For this reason, I'd like to see if we can narrow it down to the top 3 most desired skills.
Also, I think it's fine to be specific too. "Technique" is maybe a bit vague. I'm looking for something like "Fluidity in changing from various grips and techniques so as to play what is needed, whenever it is needed."