Jay Z's Tidal Announcement: Watch the Live Stream Here

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Shawn "Jay Z" Carter, Makes Announcement on the Steps of City Hall Downtown Los Angeles for the Budweiser Made in America Music Festival on Labor Day Weekend at Los Angeles City Hall on April 16, 2014 in Los Angeles, California. 

Jay Z is ready. Ready to announce plans for his high-fidelity music streaming service Tidal, the rapper-mogul's recent entry into the crowded subscription market. Jay is expected to unveil details about his new venture, which currently boasts a library of 25 million-plus tracks, 75,000 music videos, and curated editorial at $19.99 per month.

Jay Z's Tidal Teaser Video Features Madonna, Beyonce, Jack White, Daft Punk & More

To drum up more hype for the announcement, Tidal enlisted the help of artists including Kanye West, Nicki Minaj and Coldplay in a viral campaign dubbed #TIDALforALL. A 30-second teaser video featuring Madonna, Beyonce and Jack White, among others, soon followed. Watch the live-streamed event below:

Jay Z purchased TIDAL via his S. Carter Enterprises company following a $56.2 million bid on Jan. 30 (the offer was accepted on March 10).