I definitely think that is possible! My problem is I have very little in the builder, so I don’t have a list of conditions which would make my life easier. I came across this thread which I think will be very helpful for you.
Whilst I haven’t got my tones to play perfectly, I did manage to get them to play in the background. The problem I have is whilst it’s sort of independent. When my visual search task trial is complete, the sound loop starts again, so it isn’t truly independent of my visual task, which is what I am currently trying to improve!
I have used this thread as my starting point
I can play just one tone perfectly and it responds how I want it, but my task involves participants responding to high and low Hz tones and getting them to play independently of how my visual task is running is proving rather tricky.
Let me know how you get on! I am no expert on this matter by any means.