I am not the leader per se.
This questionnaire wouldn't go out to all the musicians but to the "leaders" of the individual Masses.
I just want to see where everyone is at in their knowledge so I can start to send them information based on that knowledge.

This would be sent out only on approval of my pastor.

Understood. It might be cool to take the pulse of your colleagues in one on one conversations as well. Some people don't respond well to being questioned. Especially once they have assumed leadership roles. Egos and such.

I could see people getting awfully defensive if given that. The questions seem to be prodding them in a certain direction. While it's good to do that, it may make the people feel like they're being trapped. From there it's anyone's guess to how they will react.

donr, I don't think that your original idea was a bad one. I just think that a personal approach might get your colleagues pointed in the right direction a little easier than the written format. TALK to THEM. You might be pleasantly surprised.

Hi, I read your questionnaire, and thought I would add a few comments. I sympathise with the desire to improve what is happening in your parish, as I do in mine. I am not the parish music director, nor am I the director of our main parish choir with whom I sing, so I appreciate that it is difficult when one feels things could be improved, but one doesn't have the right to say ok, we are changing this this and this. So how does one go about improving things in a more subtle way?
First, I think your questionnaire is aimed at knowledge and information.
This seems logical at first glance, because if people knew more, they could improve, right?
But I believe attitude is the more important governing factor. It seems to me that the general dividing line between good and bad liturgical practitioners, including music ministers, is about whether you think of the liturgy as something you receive and transmit, or as something you create and perform.
For the first group, the question of 'how well have I understood what has been given to me' makes perfect sense, to the second group it makes no sense at all.
If the people you are trying to help have, basically, the first attitude, then the offer of better information is useful, and will be well received, if done humbly, gently, and incrementally.
But for the second group, the offer could be seen as antithetical to what they think of as good liturgy. After all, if the essence of what you understand yourself to be doing is a creative exercise, then anything which comes across as rules, guidelines, etc is a limitation of your creativity, not an enhancement.
So how can you help encourage a better attitude?
I would suggest that a questionnaire such as yours might harden attitudes a bit, though please, I am only speculating and giving my own reflection here. I think I would try to access their attitude by opening up the question of who is the community that we draw our resources from?
Basically what I am getting at is to encourage the attitude that when we are 'creating' liturgy we should be open to the breadth of lived experience in our church community. (Yes, I know such language might make your toes curl, but bear with me).
So, for me a quick glance at our current music choices shows there is a vast preponderance of two types of music - 1970's Louis Jesuit type songs, and modern liturgical composers of dubious quality. We have a couple of nice choral pieces, a few nice hymns, no chant at all - not an untypical parish mix, I would say.
So in order to be more inclusive in expressing the creativity of our church community, we would need to add to the mix a greater span of music drawn from across the ages, a wider range of modern composers and a greater variety of musical types, to include some chant. Of note here I would add that I always present Simple English propers or such as newly composed music, for modern young musicians. It is not untrue to present it this way, and one can always gradually explain how it 'draws on the resources of a longer musical tradition'.
I think that unless you have the power and authority to change the direction of your parish music, then you have to be more subtle in your approach. I would use a questionnaire if I was given the authority, but without that authority it is not the route I would go.
I suggest two alternative ways forward. First, offer a chance to study and sing together 'just for fun' to those parish musicians who are interested. Use it as an opportunity to read and reflect on church documents about music, and to introduce some new resources such as SEP. not everyone will take to it, but you will be building up a supportive cohort, which will eventually tip the balance, especially if combined with strategy 2.
Strategy 2 is to take the longer view and work with the children. Start a children's schola. Teach the children all the riches that our generation were denied. Think about who will be singing in your parish in 20 years time. Educate them. They say that bank tellers learn to differentiate real money from counterfeit from constantly handling both. Raise up a generation who knows, sings and loves good liturgy. They will be readily able to tell the difference between good and bad liturgy. Someday the revolution will happen, and the young rebels will move in and takeover, simply by growing up. Then we will see 'that old music' dumped and the new, young peoples music come in... which of course will mean chant and good liturgy.
Going back to the questionnaire, here how I would frame it:
1. Do you feel it is important for parish musicians to be supported in their ministry?
2. If there was an occasional support/study group what resources would you like to be offered (choose all you desire)
a. Reflection on the renewed vision of the liturgy in Vatican 2
b. New Music resources produced in the last ten years
c. Songs and hymns which teach our children through music
d. Simple music to encourage congregational singing
e. Quality music suitable for the voices in our group (specify your parishes particular situations. ie in our parish our choir has no men)
3. How often would you like to meet? Weekly, monthly, biannually, etc
4. Would you like some spiritual resources to help you personally in your ministry?

And the resources on offer ...Can't you make some of the vast resources on CMAA fit you questionnaire? For example SEP is a new music resource, it embodies Vat 2 call to make greg chant the model for our music, it is quality music suitable to a range of voices, it teaches our children scripture, because the propers are all scripture texts, if seasonal chants are used the congregation can be provided with simple singing aids and can join in.... etc etc etc.

In summary, if you can't take a program and make it into what you want, pour in good resources and let the good drive out the bad.
Oops, didn't mean to write and essay, but there you have.

Hey Dad! Lest we think that clericalism rules in that equation, I'd remind our viewers we're all over the map in this hallowed forum. At any point in a dialectic some here literally long for the Low Mass lecta style like a parrot pines for the fiords whilst I'm solidly in the corner of Solemnis and Requiems.
And of course, each of us represents the vox populi!

Thank you all for the thoughts.
I will take your advice and seriously contimate it.
I certainly do not want to anger anyone, I just want to teach them, trying to figure out where they are now so I can start to show them what the ideal is.

Thanks again there is great advice here.

I knew asking for comments would provide good advice and that is why I didn't just send it out.