"Live rendition" refers to a performance or version of something that is presented in real-time, usually in front of an audience, rather than being recorded or pre-planned. Full definition
As part of the Star Onions band, he has performed live renditions of Final Fantasy XI themes. (gamesetwatch.com)
And if you're wondering if that narrative can pierce the most skeptical heart, I found my own hand lifted to heaven during a live rendition of their mega-hit «Oceans» in spite of bitterness I carried for years, right in the middle of a movie theater. (relevantmagazine.com)
The story of Ralphie Parker and his unique family is so loved that Fox created a live rendition of it this year. (bumpclubandbeyond.com)