MBC's Music Core has been a spotlight for K-pop's shining talents for years. With a reputation for showcasing the brightest stars in the music industry, it has solidified its stance as one of the prominent music platforms to witness breathtaking performances from beloved idols.

Boasting an array of all-star lineups throughout the years, MBC Music Core's stage has always been aglow with spectacular performances. The performances have pulled crowds, stirring up a wave of enthusiasm and creating beautiful, unforgettable moments. However, amidst the numerous stellar performances, one remains legendary and stands tall, unsurpassed to date.

The spellbinding performance that fans revisit time and again, that acclaimed perfection with the highest rating in history for Music Core, is none other than the Girls' Generation's "Genie." This exceptional performance aired on July 18, 2009, and it was a perfect combination of talent, charisma, outfits, and location that left the viewers spellbound.

Despite being over a decade old, this performance retains its place as the crowning glory in the music program's history. 

Netizens and fans still remember this performance, and on September 26, 2023, a popular online community post talked about this particular performance. Netizens commented, "Reaching a peak viewership of 17.2%, it was the best ending performance...It was filmed on a skyscraper's roof but people say they can smell the ocean when watching this performance," "I thought all these years it was filmed on top of a ship but it was on a helicopter landing pad on the building roof," "I knew it would be Girls' Generation's 'Genie.' It was the best," "I remember I was still in High School when this came out," "This is really legendary," "Girls' Generation is really impressive," "This was really a legendary performance, they were perfect and all of them were so pretty," and "I loved this performance. I watched it live."