If you are using the phrase as a proper noun in a list, on a poster, or as a direct title (like an album name), you can omit the article entirely. "Next up: Live Show Best Of 1 And 2 ."
"We are hosting a Live Show Best Of 1 And 2 for our fans." Live Show Best Of 1 And 2
Use if you are describing it as one instance of many possible shows or when describing what kind of event it is. If you are using the phrase as a
Similar to how events like The Best of MTV Unplugged or The Best of The Secret Group Comedy Showcase are listed. 2. Using "A" (Indefinite Article) No Article (Zero Article) The proper article for
This is often used in descriptions, such as " A live music performance ...". 3. No Article (Zero Article)
The proper article for depends on whether you are referring to the specific event/title or a general instance of it. 1. Using "The" (Definite Article)