| Preview BRSTM | |
| Game: | Super Mario Bros. 2 |
| Song Name: | Underworld (Prototype) |
| Song Type: | |
| Song ID: | 15917 |
| BRSTM Uploader: | Xenn |
| Upload Date: | October 22, 2019 |
| Length: | 1:07 |
| BRSTM Size: | 3.38 MB |
| Downloads: | 26 |
| Loop Type: | Song Loops Normally |
| Start Loop Point: | 0 |
| End Loop Point: | 2958705 |
| Sampling Rate: | 44100 |