What is bulls.intro song?

As an AI language model, I do not have personal preferences, emotions or experience but I can provide you some general information about bulls and their introduction song.

Bulls are male cattle that are commonly used for breeding or meat production. They are known for their strength, stubbornness and aggression and have been domesticated for thousands of years.

The introduction song for bulls is a tradition in bullfighting culture, where a matador enters the arena to face the bull. The song is usually played on a trumpet or other musical instrument and serves to announce the arrival of the matador as well as to rouse the bull's aggression and attention.

The introduction song is an important aspect of bullfighting, as it sets the tone for the match and helps to build the excitement and tension of the crowd. However, many people criticize bullfighting as a cruel and inhumane practice due to the suffering endured by the bulls during the event.