"the crowd cheered, and beyonce knowles sang an encore" is this sentence contains a subordinating conjunction?

Subordinating conjunctions combine dependent as well as independent clauses. They are usually known as subordinators and may introduce adverb clauses. Examples would be after,because,before,by the time,even if,eventhough , the first time and everytime etc yet on this scenario there is no subordinating conjunctions.

The sentence "The crowd cheered, and Beyonce Knowles sang an encore" does not contain a subordinating conjunction. Subordinating conjunctions are use in order to connect the dependent clause to the independent clause such as the words "after" and "then".