Xenoblade Chronicles 2 OST, my rankings

1. Mor Ardain - Roaming the Wastes
2. Leftherian Archipelago
3. Leftherian Archipelago/Night
4. Ever Come to an End [Theosoir daytime]
5. We Are the Chosen Ones [Indoline Praetorium nighttime]
6. Cliffs of Morytha
7. Shadow of the Lowlands [Theosoir nighttime]
8. Yggdrasil [World Tree music]
9. Our Eternal Land [Indoline Praetorium daytime]
10. Kingdom of Uraya

11. Tantal/Night
12. Monster Surprised You [storyline battles, slower w/ wailing guitars]
13. Land of Morytha
14. Tantal
15. Death Match with Torna
16. Fonsa Myma/Night
17. Incoming! [storyline battles, faster w/ guitars and strings]
18. Gramps [Fonsett Village]
19. You Will Recall Our Names
20. Bringer of Chaos! Ultimate [Zeke battle]

21. Still, Move Forward! [secondary battle theme]
22. Battle!! [main battle theme]
23. Kingdom of Uraya/Night
24. Spirit Crucible Elpys
25. Omens of Life [core crystal menu music]
26. Counterattack
27. The Abandoned City
28. Jump Towards the Morning Sun [happy fun times at the beach, 70s flute]
29. Mor Ardain/Night
30. Gormott

31. Torigoth/Night
32. Torigoth
33. Fonsa Myma
34. Alba Cavanich
35. Song of Giga Rosa
36. Argentum
37. Elysium in the Dream [poignant/sad cutscene music]
38. The Power of Jin
39. Praetor Amalthus - The Acting God
40. After Despair and Hope [final boss theme]

41. Crossing Swords [upbeat tense cutscene battle music]
42. Disappearing World [hallway before final boss]
43. The Ancient Vessel [aboard the sunken ship at the beginning]
44. Friendship [tender cutscene music w/ solo horn]
45. Those Who Stand Against Our Path
46. The Decision [space station flashback cutscene]
47. Temperantia
48. Ophion ["Oh no!" cutscenes]
49. Gramps/Night [Fonsett Village]
50. The Past Revealed [upsetting backstory cutscenes]

51. Eye of Shining Justice [Zeke goofy cutscenes]
52. Garfont Mercenaries
53. The Tomorrow with You [dramatic endgame track]
54. Alba Cavanich/Night
55. Titan Battleship
56. Battle in the Skies Above [battles in final hallway]
57. Running ["escape" cutscenes]
58. Gormott/Night
59. Wanted Nia [goofy cutscenes]
60. Walking with You ["Why did he create all these incredible people?"]

61. Over the Sinful Entreaty [very "modern Hollywood"-style cutscene track]
62. Elysium, in the Blue Sky [slow piano/oboe theme with several leitmotifs that will appear in later tracks]
63. Flashback [fighting other party members, Silent Hill-esque]
64. Womb Center [Uraya's mouth]
65. Parting [post-final battle sacrifice scene]
66. A Faint Hope [another orchestral Mitsuda track]
67. Driver Vs
68. War and Peace [Merc mission results screen]
69. Garfont Mercenaries/Night
70. Exploration [rarely used battle theme, Spirit Crucible Elpys]

71. A Nopon's Life [goofier cutscenes]
72. Where We Used To Be [title screen]
73. Argentum/Night
74. Where It All Began [opening track; swelling, vaguely John Williams-esque overture]
75. Elysium [these Mitsuda orchestral tracks kind of run together]
76. White All Around Us [see above]
77. The Beginning of Darkness [foreboding cutscene music swelling into "storm at sea"]
78. Past from Far Distance [melancholy choral cutscene track]
79. The Towering Yggdrasil [seeing Gormotti Plains for first time]
80. The Impending Crisis [another tense cutscene track]

81. A Place in the Sun [tender strings cutscenes, very Manami Kiyota]
82. A Brewing Storm [sinister cutscene music with piano and industrial drums]
83. The Heroic Adventures [stage play incidental music]
84. The Awakening [triumphant cutscene music with chorus]
85. Escape - Going Through Clouds [post-final battle escape flight]
86. Loneliness [sad piano music]
87. A Ship in a Stormy Sea [kind of tense string/choral/drums track]
88. Our Hope [choral track near end of game]
89. Sea of Clouds [strings near end of game]
90. Drifting Soul [vocal theme]

91. Gormotti Forest
92. One Last You [requisite ending vocal ballad]
93. Awakened DNA [rare Blade reveal]
94. Drifting Soul (Violin Version)
95. Desolation [sad cutscenes]
96. Contrition [another sad cutscene track]

Atmospheric track purgatory
Orbital Ring [another atmospheric track]
With People and Darkness [foreboding atmospheric track with strings and plucked acoustic guitar]
Misgivings [spooky atmospheric track with industrial drums and violin solo]
Irritation [tense atmospheric music w/ strings and drums]
A Portent Crawling Over [spooky atmospheric track with heartbeat]
Tensed Mind [uneasy atmospheric track theremin-esque sounds]
Heart in the Fog [synth/oboe atmospheric]

Skipped:
Bana's Theme [short]
Tiger! Tiger! [chiptune medley]