| Song | UNDERTALE三周年纪念·传说之下16首BGM四手联弹无缝串烧（Cover Toby Fox） |
| Artist | Kyle Xian |
| Album | UNDERTALE（传说之下） |
| [00:00.000] | 作曲 : 无 |
| [00:00.000] | 作词 : 无 |
| [00:00.000] | Chapter 1 - Once upon a time there was an UNDERTALE |
| [00:05.000] | 1.Once Upon a Time（开场BGM） |
| [00:15.000] | 2.Undertale |
| [01:31.000] | 1.Once Upon a Time（开场BGM） |
| [01:41.000] | Chapter 2 - BATTLES |
| [01:46.000] | 3.MEGALOVANIA（对战Sans） |
| [03:06.000] | 4.Spider Dance（对战Muffet） |
| [04:13.000] | 5.Ghost Fight |
| [04:21.000] | 6.Dummy!（对战Dummy） |
| [05:00.000] | 7.Oh My... |
| [05:08.000] | 8.Death by Glamour（对战MTT） |
| [05:34.000] | 9.CORE |
| [06:12.000] | 8.Death by Glamour（对战MTT） |
| [07:15.000] | Chapter 3 - SEVEN Variations of Main Theme |
| [07:19.000] | 10.Reunited |
| [08:41.000] | 11.Home |
| [09:13.000] | 12.Hopes and Dreams（对战Asriel） |
| [10:32.000] | 13.His Theme |
| [11:15.000] | 14.SAVE the World（对战Asriel） |
| [11:37.000] | 15.Finale（对战Flowey） |
| [11:58.000] | 16.Last Goodbye（结尾BGM） |
| [00:00.000] | zuò qǔ : wú |
| [00:00.000] | zuò cí : wú |
| [00:00.000] | Chapter 1 Once upon a time there was an UNDERTALE |
| [00:05.000] | 1. Once Upon a Time kāi chǎng BGM |
| [00:15.000] | 2. Undertale |
| [01:31.000] | 1. Once Upon a Time kāi chǎng BGM |
| [01:41.000] | Chapter 2 BATTLES |
| [01:46.000] | 3. MEGALOVANIA duì zhàn Sans |
| [03:06.000] | 4. Spider Dance duì zhàn Muffet |
| [04:13.000] | 5. Ghost Fight |
| [04:21.000] | 6. Dummy! duì zhàn Dummy |
| [05:00.000] | 7. Oh My... |
| [05:08.000] | 8. Death by Glamour duì zhàn MTT |
| [05:34.000] | 9. CORE |
| [06:12.000] | 8. Death by Glamour duì zhàn MTT |
| [07:15.000] | Chapter 3 SEVEN Variations of Main Theme |
| [07:19.000] | 10. Reunited |
| [08:41.000] | 11. Home |
| [09:13.000] | 12. Hopes and Dreams duì zhàn Asriel |
| [10:32.000] | 13. His Theme |
| [11:15.000] | 14. SAVE the World duì zhàn Asriel |
| [11:37.000] | 15. Finale duì zhàn Flowey |
| [11:58.000] | 16. Last Goodbye jié wěi BGM |