| Ondatrópica | 1 | 2 |
| Operators | 2 | 2 |
| Opus Kink | 0 | 2 |
| Organized Konfusion | 1 | 2 |
| Original Koffee | 1 | 2 |
| Orkestar Faruka Jažića | 1 | 2 |
| Oscar Peterson | 104 | 2 |
| Otis Rush | 14 | 2 |
| Our Hollow, Our Home | 2 | 2 |
| Out Hud | 2 | 2 |
| Oxbow | 8 | 2 |
| P!nk | 9 | 2 |
| P-MODEL | 2 | 2 |
| PARTYNEXTDOOR | 8 | 2 |
| PRESIDENT | 1 | 2 |
| Paavoharju | 2 | 2 |
| Pale Saints | 2 | 2 |
| Palehound | 2 | 2 |
| Palisades | 2 | 2 |
| Pallbearer | 5 | 2 |
| Panikorchester | 2 | 2 |
| Paradis | 1 | 2 |
| Paraf | 2 | 2 |
| Paris Texas | 0 | 2 |
| Parnepar | 2 | 2 |
| Passengers | 1 | 2 |
| Pastor T.L. Barrett | 1 | 2 |
| Pata Negra | 5 | 2 |
| Paul Haines | 2 | 2 |
| Paul Hillier | 69 | 2 |
| Paul Quinichette | 14 | 2 |
| Paul Williams | 1 | 2 |
| Pavel Fajt | 1 | 2 |
| Pavlov’s Dog | 8 | 2 |
| Pedro Estevan | 7 | 2 |
| Pedro Iturralde | 3 | 2 |
| Pedro LaDroga | 16 | 2 |
| Penetration | 3 | 2 |
| Perry Leopold | 1 | 2 |
| Peso Pluma | 7 | 2 |
| Pestilence | 9 | 2 |
| Pete Johnson | 5 | 2 |
| Pete Townshend | 11 | 2 |
| Pete Wingfield | 1 | 2 |
| Phineas Newborn, Jr. | 23 | 2 |
| Phinehas | 2 | 2 |
| Phosphorescent | 2 | 2 |
| Phuture Doom | 2 | 2 |
| Piero Umiliani | 2 | 2 |
| Pierrot Lunaire | 2 | 2 |
| Pinback | 1 | 2 |
| Pink Guy | 2 | 2 |
| Placebo | 2 | 2 |
| Plan B | 3 | 2 |
| Pochakaite Malko | 2 | 2 |
| Poison Idea | 0 | 2 |
| Poison the Well | 6 | 2 |
| Pokey LaFarge and the South City Three | 2 | 2 |
| Polyphia | 5 | 2 |
| Pop Smoke | 2 | 2 |
| Porta | 8 | 2 |
| Portico Quartet | 10 | 2 |
| Portraits of Past | 1 | 2 |
| Portugal. The Man | 11 | 2 |
| Prof | 2 | 2 |
| Prompts | 2 | 2 |
| Proper Villains | 0 | 2 |
| Prurient | 3 | 2 |
| Pupil Slicer | 2 | 2 |
| Purity Ring | 4 | 2 |
| Pussy Riot | 2 | 2 |
| R. Stevie Moore | 83 | 2 |
| R.L. Burnside | 2 | 2 |
| R.N.A. Organism | 1 | 2 |
| RM | 2 | 2 |
| ROSÉ | 1 | 2 |
| Rainer Maria | 6 | 2 |
| Ramper | 2 | 2 |
| Rani mraz | 2 | 2 |
| Raspberries | 4 | 2 |
| Ray Barretto | 43 | 2 |
| Real Bad Man | 15 | 2 |
| Real Estate | 6 | 2 |
| Red | 2 | 2 |
| Red Handed Denial | 2 | 2 |
| Redd Kross | 9 | 2 |
| Rels B | 12 | 2 |
| Repetitor | 2 | 2 |
| Return to Forever | 7 | 2 |
| Reuben Wilson | 2 | 2 |
| Revocation | 2 | 2 |
| Rich Brian | 4 | 2 |
| Rich Mullins | 2 | 2 |
| Richard Lloyd | 7 | 2 |
| Richard Youngs | 9 | 2 |
| Richard in Your Mind | 1 | 2 |
| Richie Havens | 2 | 2 |
| Rick Holland | 1 | 2 |
| Rick James | 16 | 2 |
| Rivers of Nihil | 2 | 2 |