Why did the Taoist priest kill a rooster when the dead in the countryside went to the funeral?

We also have this custom here, saying that chicken blood is to ward off evil spirits, and it must be a rooster. These exquisite things always make me feel that sometimes these trivial details in the countryside make the funeral a little bloody.

There are many details about rural funerals. I've never participated in it before. Two funerals were held in succession the year before last, both of which were close relatives. I feel sad, but no matter how sad I am, I have to face complicated things of yin and yang. I really think we should have a good cry and bury people, right? I have to do this. Later, I heard from my mother that these exquisite musical instruments have existed since ancient times. The sound of percussion instruments and the crying of children and grandchildren are all atonement for the dead. In order to make the dead less bullied by imps on the way to the underworld, she will be punished less when she arrives in the nether world, and the loud suona sound is a tribute to their merits before their death. From these aspects, it is easy to understand, but the words sung in some songs really make people cry.

There is a movie called "Hundred Birds at the Phoenix", which tells that the highest standard memorial service in all funeral occasions is a "Hundred Birds at the Phoenix". But this difficult song is almost lost, because if you can get the successor of this song, you must regard this song as a compliment to those lost souls and as a comfort to their living grandchildren, and never regard it as a cover and chip for making money. You have to be unprofitable to be worthy of this song.

In fact, many classical music in our country has been passed down as sacrificial music to this day. I haven't heard of "birds fly at the phoenix" at the funeral, and now I may have lost that virtue among these craftsmen.