And here's a postscript, for those who might be confused about what constitutes passive-aggressive behavior. Psychology today has a pretty good article on it that you can read; it might even give me some tips on what to do. I just found this article today.
Passive-Aggression
What are some examples of passive-aggressive behavior?
Some common forms of passive aggression include avoiding responsibility for tasks, procrastinating and even missing deadlines, withholding critical information, and frequently underachieving relative to what one is capable of producing. This type of behavior can cause problems at home when the family cannot depend on a passive-aggressive individual to follow through on their promises. Passive aggression at work can sabotage group projects, resulting in unachieved goals.
I'd say that my friend is falling into the descriptions I've bolded. He definitely does not underachieve, though.
Where it's been suggested that my responses to him are also passive-aggressive I'd challenge by pointing out that my bandmates are informed of my decision to step back and I've actively requested assistance in specific areas from some of them. They don't really need to know why, though most will already know the reason.
That's something I'll continue to do, as long as they're ok with taking it all on. I can't see anything in my response that's at all passive or aggressive, unless you think responding at all to a negative situation is an aggressive move.
Let's look at other possible responses, though. Here's an interesting point, which jives with my past experiences and my reasons for not getting confrontational:
Nagging or getting angry only puts the passive-aggressive person on the defensive—often resulting in them making excuses or denying any responsibility. Recent research shows that there are healthier ways to confront passive aggression and handle relationship conflict.
So my instincts here are probably good. But:
If at all possible, the best solution is often to limit the time you spend in their presence. But if you determine that confrontation is the best path forward, avoid being accusatory as you calmly explain how the behavior makes you feel.
Then it goes on to offer advice on the best way to confront the behavior if that's what you really feel is needed. I can't avoid this guy, but I can avoid being in his crosshairs as much as possible, which is part of my thinking here. And my getting out of his crosshairs (as I perceive it) gives us all the opportunity to see if it's just a response to me, or if he's just mentally checked out from the whole deal.
So I feel a bit affirmed, though there are some other good details here I'm going to munch on.