1. Janet Jackson is calm, cool, and collected on comeback single "No Sleeep."
2. "We Try But We Don't Fit In," a dreamy, lo-fi anthem for kids on the sidelines from Jackson Phillips (aka Day Wave).
3. American Idol alum Adam Lambert chases "The Original High" on this clubby, house-inflected track.
4. Beck ditches folk for funk on "Dreams."
5. Real-life couple Nicki Minaj and Meek Mill get romantic on "All Eyes On You (ft. Chris Brown)."
6. Raury transitions from folk singer to MC and back again on the rousing "Devil's Whisper."
7. Selena Gomez gets sexy with A$AP Rocky on "Good For You," her first post-Disney single.
8. Brooklyn rapper Junglepussy gets boastful on "You Don't Know."
9. Newcomer Ivy Levan gets a boost from Sting on "Killing You," a sinister, bass-driven ode to toxic relationships.
10. Soul-funk singer-songwriter Seven Davis Jr. gets political on "Fighters."
11. Darwin Deez picks up where he left off two years ago with the irresistibly disagreeable "Kill Your Attitude."
12. The murky, genre-bending "Hero" from up-and-coming rap collective BROCKHAMPTON.
13. Demi Lovato's banger of a comeback single, "Cool For The Summer."
14. Synth-pop trio Years & Years mourn the end of a relationship on the ghostly "Foundation."
15. DeJ Loaf's bawdy, affectionate "Shawty (ft. Young Thug)."
16. "Outta My Mind," a sinister bit of blues-rock from The Black Keys frontman Dan Auerbach's side project, The Arcs.
17. Carly Rae Jepsen's crisp kiss-off, "Emotion."
18. Alt-R&B lothario The Weeknd goes full Michael Jackson on the Max Martin-assisted "Can't Feel My Face."
19. Samantha Urbani's soaring, reggae-tinged "U Know I Know."
20. Owl City's cheerful '90s kid anthem "Unbelievable (ft. Hanson)."
21. Soul goddess Lianne La Havas' airy, amorous "What You Don't Do."
22. Ashley Monroe's sinister murder ballad of a break-up song,"I Buried Your Love Alive."
23. Tori Kelly revisits the themes of JLO's "Love Don't Cost A Thing" on the bold and brassy "Expensive (ft. Daye Jack)."
24. Kiiara bids her lover a glitchy good-bye on "Gold."
25. Phoebe Ryan just wants to be friends with benefits (nothing more, nothing less) on the shimmery "Homie."
26. "Dance On Me," a slinky, dancefloor-friendly cut from D.C.-born "future bounce" rapper GoldLink.
27. Teen star Austin Mahone is all grown-up on the synth-y, suggestive "Dirty Work."
28. Puff Daddy and Pharrell's darkly hypnotic party jam, "Finna Get Loose."
29. "Them Changes," a funky Flying Lotus collaboration from Los Angeles-based musician Thundercat.
30. Brooklyn rockers Highly Suspect's sneering, seething "Mom."
31. The Game and Drake vow to keep it 8 more than 92 on "100."
32. JJ's sweet, shimmery shoegazer, "Truce."
33. "Empty Bottle," a grunge-pop throwback from '90s rockers Veruca Salt.
34. Favored Nations' loose, disco-inspired love song, "Always."
35. Swedish pop upstart Tove Lo celebrates doomed relationships on the euphoric "Timebomb."
36. LEISURE's sticky, languid "Hot Love."
37. The Chainsmokers' "Roses (ft. Rozes)," a surprisingly delicate EDM anthem.
38. San Diego native Andra Day proves her diva bonafides on the stripped-down "Rise Up."
39. Danish pop star SHERPA's sad, soaring "In Your Blood."
40. Lera Lynn's menacing True Detective track, "The Only Thing Worth Fighting For."
41. The boys of MKTO make their type clear on the infectious "Bad Girls."
42. Mysterious Chicago rapper(s) Goodbye Tomorrow's hard-hitting "Pray 2 God."
43. Kate Boy's relentlessly upbeat "Midnight Sun."
44. Motown-inspired soul singer Leon Bridges' "Smooth Sailin'" is just that.
45. Beach Baby's hazy, dream-like "U R."
46. The lush sensitivity of demo taped's "Not Enough."
47. Los Angeles-based rapper A.Chal's woozy "ROUND WHIPPIN."
48. "Hold Me Down," a defiant, synth-heavy fight song from ascendant pop force Ashley Frangipane (aka Halsey).
49. Foxes' advocates for dancing through the tears on "Body Talk."
50. Melanie Martinez continues to perfect her creepy-cute pop sound on the Leslie Gore-sampling "Pity Party."
51. "Golden," a breezily confident track from London-based neo-soul singer Nao.
52. Instagram sensation Niykee Heaton's genuinely seductive "Say Yeah."
53. Indie pop star Wrabel has a case of the dancefloor sads on "I Want You."
54. After short stints on the Disney Channel and ABC Family, Katelyn Tarver is back with "Nobody Like You," an appealingly laid-back bit of bubblegum.
55. Bay Area rapper Bobby Brackins' parties hard with Iamsu! and Jonn Hart on "Mob With the Squad."
56. "Money Trees Deuce," Jay Rock's introspective sequel to his 2012 Kendrick Lamar collaboration, "Money Trees."
57. Former Das Racist member Heems' wobbly, heartbroken "Damn Girl."
