long long time you know weeks of GPU time and then we have a representation that has the whole thing working right here hope the whole thing working and then we can think we can look at what we can do with that representation so one thing we can do is we can now visualize the source of the sound because what we can do is we can say okay given this task of you know is it is it aligned or not aligned we can actually just use the kind of classic class activation visualization maps to see what pixels is it using to tell if things are aligned