| 2023-09-28 |  Exit @ Underground Lessons @ 2023-09-23 | 1 | Electronica | Firmin - Exit (Original)6:32 | |
| 2023-07-07 |  In Love @ Underground Lessons @ 2023-07-07 | 1 | Deep House | Firmin - In Love (Original)7:03 | |
| 2023-04-08 |  ESSENTIALS @ Underground Lessons @ 2023-04-07 | 3 | Organic House / Downtempo | Firmin - Les Enfants (Original Mix)8:48 | |