| Tempo | 80bpm · slow · fast |
| Key | C minor · Am · B key · C# drop |
| Mode | D dorian · G mixolydian · E phrygian |
| Genre | ballad · metal · jazz · r&b |
| Timbre | distortion · clean guitar · upright bass · rhodes |
| Range | tenor · soprano · vocal.bass · A2~C5 |
| Exclude harmony | no 7ths · no maj7 · no borrowed |
| Exclude drums | no cymbals · no toms · no hi-hats |
| Arrangement | simple · minimal · bass simple |
| Lyric tags | [Verse] · [Build-Up] · [Drop] · [Guitar Solo] |