Which gaming platform first introduced a virtual concert that attracted over 10 million concurrent viewers, revolutionizing in-game marketing events?

The gaming and virtual worlds industry has evolved dramatically, with marketing campaigns that have redefined how immersive experiences are promoted. Some campaigns have become legendary in the industry for their innovation, reach, or cultural impact. Test your knowledge of a particularly groundbreaking marketing initiative that changed how we think about virtual worlds!

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Fortnite (with the Travis Scott Astronomical event in 2020)
Roblox (with the Lil Nas X concert in 2020)
Minecraft (with the Block by Blockwest festival in 2020)
World of Warcraft (with the Metallica in-game performance in 2021)