Ed Sheeran 's 2019 album, No. 6 Collaborations Project , features a diverse range of guest artists, including Justin Bieber

Ed Sheeran’s voice filled the room, stripped of guitar, stripped of production. He wasn't singing.

One of the standout features of the album is the chemistry between Sheeran and his collaborators. The album's lead single, "I Don't Care" with Justin Bieber, is a catchy, upbeat track that showcases the two artists' vocal chemistry. Similarly, "Bad Habits" featuring Ludacris is a smooth, R&B-infused track that highlights Sheeran's ability to craft infectious hooks.

The Verdict: A Victory Lap, Not a Masterpiece

Pop Royalty

: Justin Bieber ("I Don't Care") and Camila Cabello.

Elias’s hand trembled as he dragged the file into his audio software. The waveform loaded. It wasn't a song. It was a continuous, droning sine wave at 440 Hz, the standard tuning of the world.

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He decided to try the most obvious answer, the one hiding in plain sight. The identity of the man behind the curtain. He typed: Sheeran .