I know there are several things that could cause him to crow. He crowed 10 times in a row; I heard him through the phone and he sounded good. I agree with you on. "acceptable" sounds. More people should be educated about chickens, especially city officials. Say he crowed around 10 times and then...
Weeks ago we were sad to give away our cochin cockerel Oliver, we can't have roos(or chickens shhhh). He was said to have crowed around 10 times; this was his first time crowing. I wish I had more time to determine how much he would crow BUT we couldn't take the risk. I got home in the afternoon...