Absolute dipshits, not a single brain cell in any of them

Bad theory, or bad drumming, not sure which.

My sister's dog, a normally nervous and shaky pup, gets way into the bongos

Nah you can tell the difference between anxiety and happiness. For one the anxious dog wouldn't be begging for more by pushing their body against me. Two, the tail.

No way. Dogs love drums

You clearly haven't been around dogs very much or just don't understand them. The dogs I've lived with have practically begged me to drum on them, they love it