This mod replaces the music from Sonic Forces with the music from Sonic Unleashed.
The soundtrack for Sonic Unleashed is composed by Tomoya Ohtani and the other. I don't owe the music from the game.

1. Fist Bump > Endless Possibilty
2. The Light of Hope > Dear My Friend
3. Lost Valley > Windmill Isle - Day
4. Fighting Onward - Space Port > Windmill Isle - Night
5. Action on the Rails > Opening
6. Ghost Town > Rooftop Run - Night
7. Unstoppable > Endless Possibility ~Guitar Cover~ This song is from Sonic Runners
8. Nowhere to Run - Prison Hall > Tornado Defense - 2nd Battle
9. Battle with Death Queen (Battle with Zavok Remix) > Boss Battle - Night
10. Egg Gate > Cool Edge - Day
11. Danger in the Sky! > Opening
12. Arsenal Pyramid > Arid Sands - Day 
13. Arsenal Pyramid - Interior > Arid Sands - Night
14. Double Boost! > Endless Possibility & Endless Possibility ~ Guitar Cover ~ That song is from Sonic Runners.
15. Luminous Forest > Jungle Joyride - Day
16. Coiled to Strike > Cutscene - The Egg Beetle
17. Fist Bump (Instrumental Ver.) > Endless Possibility ~Guitar Cover~ This song is from Sonic Runners.
18. Battle with Infinite: First Bout > Boss Battle - Night
19. Faded Hills - Green Hill > Arid Sands - Night
20. Battle with Egg Dragoon - Phase 1 > Boss Battle - Day
21. Battle with Egg Dragoon - Phase 2 > vs. Egg Dragoon
22. Justice - Park Avenue > Starry Nights (Rooftop Run - Night) by Smooth4Lyfe
23. Casino Forest > Jungle Joyride - Night
24. Moonlight Battlefield - Aqua Road > Escape the Jungle (Jungle Joyride) - Day by Smooth4Lyfe
25. Sunset Heights > Rooftop Run - Day
26. Virtual Enemies - Capital City > It's Time to Move (Skyscraper Scamper - Day) by Smooth4Lyfe
27. Battle with Infinite: Second Bout > Boss Battle - Day
28. Chemical Flow - Chemical Plant > Savannah Citadel - Night
29. Drowning > Out of Breath This song is from Sonic Colors.
30. Fist Bump (FM Ver.) > Endless Possibility (Sega Genesis Remix) by MC Bomber
31. Red Gate Bridge > Dragon Road - Night
32. Mark II Locks On > Werehog Battle Theme
33. Battle with Metal Sonic (US Ver. Remix) > Boss Battle - Day
34. Double Boost! (Short Ver.) > Endless Possibility ~Guitar Cover~ This song is from Sonic Runners.
35. Set in Motion - Guardian Rock > Catch Me If You Can (Arid Sands - Day) by Smooth4Lyfe
36. Death Crab Pursuit > vs. Titan & Big Mother
37. Network Terminal > Dragon Road - Day
38. Network Terminal - Interior > Savannah Citadel - Day
39. Death Prison - Death Egg > Tornado Defense - 2nd Battle
40. Metropolitan Highway > Skyscraper Scamper - Day
41. Null Space > Cutscene - Chip’s Change
42. Fist Bump - Escape From Null Space > Endless Possibility
43. Fading World - Imperial Tower > Welcome to Eggmanland (Eggmanland - Day) by Smooth4Lyfe
44. Mortar Canyon > Eggmanland - Day
45. Battle with Infinite: Showdown > Boss Battle - Night
46. Iron Fortress > Eggmanland - Night
47. Last Judgement > Eggmanland - Day
48. Final Judgement - Reactor > Eggmanland - Night
49. Battle with Mega Death Egg Robot - Phase 1 > Egg Dragoon
50. Battle with Mega Death Egg Robot - Phase 2 > Dark Gaia
51. Battle with Mega Death Egg Robot - Phase 3 (Before the fight) > Cutscene - The Final Form
52. Battle with Mega Death Egg Robot - Phase 3 >Super Sonic vs. Perfect Dark Gaia
53. Battle with Mega Death Egg Robot - Phase 3 (Triple Boost!) > Cutscene - Annihilation
54. Up to the Challenge > Empire City - Day
55. This Is Who You Are > Apotos - Day
56. This Is Our World - A New Hero > Gaia Manuscripts & Chip’s Memories & No Reason & Congratulations
57. Fist Bump (Piano Ver.) > The World Adventure - Piano Version
58. Taking It Back > Stage Clear & Results
59. Mission Failed > Result Screen - E Rank
60. Theme of Resistance (Title Screen Ver.) > Cutscene - A New Journey
61. The Light Of Hope (Title Screen Ver.) > Cutscene - Rekindled Light ~ Save The Speech!
62. This Is Our World - Phase 1 > Gaia Gate
63. This Is Our World - Phase 2 > Eggmanland - Entrance
64. This Is Our World > The World Adventure - Orchestral  Theme
65. Episode Shadow > Gaia Gate
66. Enemy Territory (Westopolis Remix) > Rooftop Run - Day
67. Eggman's Facility (Rhythm and Balance Remix) > Jungle Joyride - Day
68. Virtual Reality (Supporting Me Remix) > Arid Sands - Day