Best new songs this week: The Weeknd, Pearl Jam, Purity Ring, Yves Tumor...

In the week he turned 30, The Weeknd dropped 'After Hours', title song from his new album, a slow-burning nightly record; Nnamdi released an unusual folk song 'Flowers to my Demons'; American soul/r'n'b veteran Swamp Dogg got some help from Bon Iver's Justin Vernon on 'Good, Better, Best'; Canadian dream-pop band Purity Ring shared a song 'Stardew' from their first new album in five years; Greg Dulli made a great sunny song 'A Ghost'; Pearl Jam go retro rock on 'Superblood Wolfmoon'; experimentalists Horse Lords go reggaeton and make a cool video to go with 'People's Park'; Yves Tumor stays in the weird-pop lane with 'Gospel For A New Century'; underground rap legend Kool Keith released a collaboration 'Hallucinations' with duo Thetan; Sightless Pit, the new collaborative project of Lee Buford (The Body), Kristin Hayter (Lingua Ignota), and Dylan Walker (Full of Hell), have shared two new songs.