Jah,
I'll tackle this from another direction, also.

You asked about 'as the Spirit leads', so let's take a look at that.

Father knows the limitation of your drummer, and those you are working with. Psalms enjoins us to 'make a joyful noise unto the Lord', not create a lush, orchestrated, finely tuned music show. However, He also never said that you can't do that. The intent and purpose of music within a fellowship is to bring everyone to the same place mentally and emotionally so that what will be taught that day has a receptive bed. From a simple, single soloist singing accapella to a full orchestration doesn't really matter to God, it is the heart of the player/performer that God looks at.

My feeling is that your musical worship group should work together to bring up your drummer, and others who may not be the best at what they are doing, but have the heart of service. Work within their abilities and understanding, bringing them up, teaching and enforcing, and reinforcing lessons to make them better. You aren't there to wow God, you are there for His children. A simple blessing with simple music can do more than trying to do changes on the fly and having people unable to follow them, and then flubbing up. People remember that, and it takes their mind off what will be presented, or even the message in the music.

So, whatever you are doing, keep it within the limitations of all of your members.

Gary

I'm blessed watching God do what He does best. I've had a few rough years, and I'm still not back to where I want to be, but I'm on the way and things are looking far better now than what they were!