| 1920 | Roberto Firpo | - | Oro muerto | tango |
| 1920 | Roberto Firpo | - | Organito de suburbio | milonga |
| 1920 | Roberto Firpo | - | Olvida corazon | tango |
| 1920 | Roberto Firpo | - | Olga | vals |
| 1920 | Roberto Firpo | - | Olas nocturnas | vals |
| 1920 | Roberto Firpo | - | Ojos negros | tango |
| 1920 | Francisco Canaro | - | Nueve puntos | tango |
| 1920 | Roberto Firpo | - | Normina | tango |
| 1920 | Roberto Firpo | - | Noche de reyes | tango |
| 1920 | Roberto Firpo | - | Noche de amor | tango |
| 1920 | Roberto Firpo | - | Noche calurosa | vals |
| 1920 | Roberto Firpo | - | Nobleza de arrabal | tango |
| 1920 | Roberto Firpo | - | No te achiques hermano | tango |
| 1920 | Roberto Firpo | - | No salgas de tu barrio | tango |
| 1920 | Roberto Firpo | - | No me olvides mi uruguaya | vals |
| 1920 | Roberto Firpo | - | No la contes grande | tango |
| 1920 | Roberto Firpo | - | No es por hablar mal | tango |
| 1920 | Roberto Firpo | - | Ninas de Viena | vals |
| 1920 | Roberto Firpo | - | Ni flores que se ven | vals |
| 1920 | Roberto Firpo | - | Negrucha | tango |
| 1920 | Roberto Firpo | - | Munequita de carton | tango |
| 1920 | Roberto Firpo | - | Muneca brava | tango |
| 1920 | Roberto Firpo | - | Mujeres frivolas | tango |
| 1920 | Roberto Firpo | - | Mujer espartana | vals |
| 1920 | Roberto Firpo | - | Morochita | tango |
| 1920 | Roberto Firpo | - | Montevideo | tango |
| 1920 | Roberto Firpo | - | Milonguita | tango |
| 1920 | Roberto Firpo | - | Milonga orillera | milonga |
| 1920 | Roberto Firpo | - | Micifuz | tango |
| 1920 | Roberto Firpo | - | Mi pebeta | Mi nena | tango |
| 1920 | Roberto Firpo | - | Mi nena | tango |
| 1920 | Roberto Firpo | - | Mi Buenos Aires | tango |
| 1920 | Roberto Firpo | - | Medallita de las pobres | tango |
| 1920 | Roberto Firpo | - | Mecha | vals |
| 1920 | Roberto Firpo | - | Me gusta bailar milonga | milonga |
| 1920 | Roberto Firpo | - | Matasano | tango |
| 1920 | Roberto Firpo | - | Manos de seda | tango |
| 1920 | Roberto Firpo | - | Mangia mangia papirusa | tango |
| 1920 | Roberto Firpo | - | Mamarracho | tango |
| 1920 | Roberto Firpo | - | Malevaje | tango |
| 1920 | Roberto Firpo | - | Maffia | tango |
| 1920 | Roberto Firpo | - | Lujan de cuyo | tango |
| 1920 | Roberto Firpo | - | Los indios | tango |
| 1920 | Roberto Firpo | - | Los dos corazones | vals |
| 1920 | Roberto Firpo | - | Locatelli | tango |
| 1920 | Roberto Firpo | - | Lobo de mar | tango |
| 1920 | Roberto Firpo | - | Lo que esta bien... esta bien | tango |
| 1920 | Roberto Firpo | - | Lo que esta bien esta bien | tango |
| 1920 | Roberto Firpo | - | Llanto de amor | vals |
| 1920 | Roberto Firpo | - | Leticia | tango |
| 1920 | Roberto Firpo | - | Las carreras | tango |
| 1920 | Roberto Firpo | - | Lagrimitas | tango |
| 1920 | Roberto Firpo | - | Lagrimas y sonrisas | vals |
| 1920 | Roberto Firpo | - | Lagrimas | tango |
| 1920 | Roberto Firpo | - | La violetera | tango |
| 1920 | Roberto Firpo | - | La ultima ronda | tango |
| 1920 | Roberto Firpo | - | La rosarina | tango |
| 1920 | Roberto Firpo | - | La punalada | milonga |
| 1920 | Roberto Firpo | - | La payanca | tango |
| 1920 | Roberto Firpo | - | La mulita | milonga |
| 1920 | Roberto Firpo | - | La muchacha del arrabal | tango |
| 1920 | Roberto Firpo | - | La morocha | tango |
| 1920 | Roberto Firpo | - | La montonera | vals |
| 1920 | Roberto Firpo | - | La conoci en un baile | tango |
| 1920 | Roberto Firpo | - | La caravana | tango |
| 1920 | Roberto Firpo | - | La biyuya | tango |
| 1920 | Roberto Firpo | - | Joaquina | tango |
| 1920 | Roberto Firpo | - | IrupeTrupe | tango |
| 1920 | Roberto Firpo | - | Irupe | tango |
| 1920 | Roberto Firpo | - | Indio | tango |
| 1920 | Roberto Firpo | - | Ilusion | vals |
| 1920 | Roberto Firpo | - | Hotel Victoria | tango |
| 1920 | Roberto Firpo | - | Hay que creer o ... | tango |
| 1920 | Roberto Firpo | - | Haragan | tango |
| 1920 | Roberto Firpo | - | Gran muneca | tango |
| 1920 | Roberto Firpo | - | Gran Hotel Victoria | Hotel Victoria | tango |
| 1920 | Roberto Firpo | - | Gran bacan | tango |
| 1920 | Roberto Firpo | - | Gorgeos | tango |
| 1920 | Roberto Firpo | - | Germaine | tango |
| 1920 | Roberto Firpo | - | Gauchito lindo | tango |
| 1920 | Roberto Firpo | - | Garabato | tango |
| 1920 | Roberto Firpo | - | Gabino! | tango |
| 1920 | Roberto Firpo | - | Fumando espero | tango |
| 1920 | Roberto Firpo | - | Frivolite | tango |
| 1920 | Enrique Delfino | - | Flor de fango | tango |
| 1920 | Roberto Firpo | - | Firpito | tango |
| 1920 | Roberto Firpo | - | Falsia | tango |
| 1920 | Roberto Firpo | - | Estoy en la via | tango |
| 1920 | Roberto Firpo | - | Espinas | tango |
| 1920 | Roberto Firpo | - | Esperando estoy | tango |
| 1920 | Roberto Firpo | - | Entre aromas de clavel | tango |
| 1920 | Roberto Firpo | - | En tu florido balcon | tango |
| 1920 | Roberto Firpo | - | En la lejania | vals |
| 1920 | Roberto Firpo | - | En el desierto | vals |
| 1920 | Roberto Firpo | - | El vagabundo | tango |
| 1920 | Roberto Firpo | - | El tango del olvido | tango |
| 1920 | Roberto Firpo | - | El talento | tango |
| 1920 | Roberto Firpo | - | El talar | tango |
| 1920 | Roberto Firpo | - | El tabernero | tango |
| 1920 | Roberto Firpo | - | El perrito | tango |