Five thoughts on the new Rihanna single

1. You can see why none of Sia's songs made the tracklisting for Anti. By this point, her style is so identifiable that it threatens to eclipse Rihanna. Try listening to this without imagining Sia's vocals on the demo. You can't.

2. That said, I'm putting this on a playlist with FourFiveSeconds, This Is What You Came For and the eight good tracks from Anti to make a proper Rihanna album.

3. The lyric "you're just another brick and I'm a sledgehammer" is as brilliant as "my tears left a swimming pool of salted crimes" is terrible.

4. Rihanna's vocals are getting more and more impressive over time.

5. If you think the song sounds good on its own, check it out on the official Star Trek trailer. Goosebumps.

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