1. Singer-songwriter Bibi Bourelly's raspy IDGAF anthem, "Ego."
2. Tori Kelly's celestial "Hollow."
3. Chance The Rapper's unapologetically optimistic "Angels (ft. Saba)."
4. Up-and-comer Alessia Cara's percussive "Wild Things."
5. Grimes' vampiric "Scream (ft. Aristophanes)."
6. Swedish soul-pop singer Seinabo Sey's plaintive piano ballad, "Poetic."
7. Electro-pop duo Niki & The Dove's sterling "Play It On My Radio."
8. Blood Orange's moving tribute to Sandra Bland, "Sandra's Smile."
9. The aggro-irony of Weezer's "Thank God For Girls."
10. Ty Dolla $ign's stripped-down, guitar-driven "Solid (ft. Babyface).
11. Country superstar Carrie Underwood contemplates marriage and motherhood on the lullaby-esque "What I Never Knew I Always Wanted."
12. ZHU, Skrillex and THEY team up for the sleek "Working For It"
13. Enya's tranquil "So I Could Find My Way."
14. Pop-rockers The 1975 rage against fame on the stylish "Love Me."
15. GoldLink's disco-inflected "Spectrum."
16. The hard-hitting "Almighty Dollar" from New Orleans rapper Pell.
17. Newcomer DEV09's twilight fight song, "You Made Me."
18. LEISURE's serene "All Over You."
19. Avant-garde rapper Le1f's shapeshifting "Rage."
20. The sugary sorrow of Oh Wonder's "Without You."
21. Tyler, The Creator's refreshingly rage-filled "Fuck It."
22. The eerie, aggressive "Lose Control" from Glass Animals and Joey Bada$$.
23. Harlem-based singer-songwriter Brayton Bowman's unexpectedly brilliant Drake-Justin Bieber mashup, "Bieber's Hotline."
24. Ellie Goulding's propulsive "Something In The Way You Move."
25. Ascendant pop force Troye Sivan's somber "Talk Me Down"
26. BØRNS' "American Money" is sweet like Tennessee honey.
27. The metaphorical gin and juice that is Selena Gomez's "Hands To Myself."
28. English girl group Little Mix's brassy "Grown."
29. Justin Bieber and Skrillex reteam for the EDM-inflected "Sorry."
30. Vine stars Us The Duo ditch their acoustic roots for straight-up power pop on "Slow Down Time."
31. Pia Mia's humid "Touch."
32. Demi Lovato experiments with restraint on the slow-burning "Wildfire."
33. South African synth-popper St. Lucia's exultant "Dancing On Glass."
34. The towering "Hoops" from alt-R&B singer JONES.
35. NAO's bass-heavy "Bad Blood."
36. SOPHIE's zippy, disorienting "Just Like We Never Said Goodbye."
37. Ariana Grande demands attention on the horn-inflected "Focus."
38. Essex-born Anne-Marie's playful "Boy."
39. Hannah Diamond's glossy alienation anthem "Hi."
40. The lightly groovy "Toothbrush" from Joe Jonas' new band DNCE.
41. Adele's world-conquering comeback single, "Hello."