BS Roformer SW model, which generates 6 stems at once with superior quality.
Quality table which shows SDR values from Multisong dataset and from leaderboards for Piano and Guitar:
| vocals | instrum | bass | drums | guitar | piano | other |
| 11.30 | 17.50 | 14.62 | 14.11 | 9.05 | 7.83 | 8.71 |
