| 1920 | Roberto Firpo | - | Mecha | vals |
| 1920 | Roberto Firpo | - | Medallita de las pobres | tango |
| 1929 | Roberto Firpo | - | Mensaje de amor | tango |
| 1922 | Roberto Firpo | - | Mentaberry | tango |
| 1927 | Roberto Firpo | - | Mentias | tango |
| 1920 | Roberto Firpo | - | Mi Buenos Aires | tango |
| 1926 | Roberto Firpo | - | Mi diosa | tango |
| 1920 | Roberto Firpo | - | Mi nena | tango |
| 1952 | Roberto Firpo | - | Mi noche triste | tango |
| 1920 | Roberto Firpo | - | Mi pebeta | Mi nena | tango |
| 1929 | Roberto Firpo | - | Mi viejo ranchito | tango |
| 1920 | Roberto Firpo | - | Micifuz | tango |
| 1929 | Roberto Firpo | - | Miguelito | tango |
| 1938 | Roberto Firpo | - | Milonga del 38 | milonga |
| 1920 | Roberto Firpo | - | Milonga orillera | milonga |
| 1920 | Roberto Firpo | - | Milonguita | tango |
| 1922 | Roberto Firpo | - | Misa de 6 | tango |
| 1920 | Roberto Firpo | - | Montevideo | tango |
| 1920 | Roberto Firpo | - | Morochita | tango |
| 1927 | Roberto Firpo | - | Mucha escuela | tango |
| 1920 | Roberto Firpo | - | Mujer espartana | vals |
| 1920 | Roberto Firpo | - | Mujeres frivolas | tango |
| 1920 | Roberto Firpo | - | Muneca brava | tango |
| 1920 | Roberto Firpo | - | Munequita de carton | tango |
| 1921 | Roberto Firpo | - | Munequita de lujo | tango |
| 1920 | Roberto Firpo | - | Negrucha | tango |
| 1920 | Roberto Firpo | - | Ni flores que se ven | vals |
| 1949 | Roberto Firpo | - | Ni flores ya se ven | vals |
| 1920 | Roberto Firpo | - | Ninas de Viena | vals |
| 1920 | Roberto Firpo | - | No es por hablar mal | tango |
| 1928 | Roberto Firpo | - | No hay derecho! | tango |
| 1920 | Roberto Firpo | - | No la contes grande | tango |
| 1920 | Roberto Firpo | - | No me olvides mi uruguaya | vals |
| 1927 | Roberto Firpo | - | No quiero mas besos | tango |
| 1920 | Roberto Firpo | - | No salgas de tu barrio | tango |
| 1920 | Roberto Firpo | - | No te achiques hermano | tango |
| 1920 | Roberto Firpo | - | Nobleza de arrabal | tango |
| 1920 | Roberto Firpo | - | Noche calurosa | vals |
| 1920 | Roberto Firpo | - | Noche de amor | tango |
| 1914 | Roberto Firpo | - | Noche de farra | tango |
| 1914 | Roberto Firpo | - | Noche de frio | vals |
| 1926 | Roberto Firpo | - | Noche de milonga | tango |
| 1920 | Roberto Firpo | - | Noche de reyes | tango |
| 1937 | Roberto Firpo | - | Noches de frio | vals |
| 1920 | Roberto Firpo | - | Normina | tango |
| 1916 | Roberto Firpo | - | Nueve de julio | tango |
| 1952 | Roberto Firpo | - | Nunca me olvides | vals |
| 1929 | Roberto Firpo | - | Oi malevo | tango |
| 1920 | Roberto Firpo | - | Ojos negros | tango |
| 1920 | Roberto Firpo | - | Olas nocturnas | vals |
| 1920 | Roberto Firpo | - | Olga | vals |
| 1920 | Roberto Firpo | - | Olvida corazon | tango |
| 1938 | Roberto Firpo | - | Ondas sonoras | vals |
| 1920 | Roberto Firpo | - | Organito de suburbio | milonga |
| 1920 | Roberto Firpo | - | Oro muerto | tango |
| 1920 | Roberto Firpo | - | Pablo | tango |
| 1927 | Roberto Firpo | - | Pajaro suelto | tango |
| 1920 | Roberto Firpo | - | Palabras de amor | tango |
| 1920 | Roberto Firpo | - | Palida sombra | vals |
| 1932 | Roberto Firpo | - | Palo dulce | tango |
| 1920 | Roberto Firpo | - | Panchito | tango |
| 1942 | Roberto Firpo | - | Para las chicas | vals |
| 1927 | Roberto Firpo | - | Pebeta | tango |
| 1920 | Roberto Firpo | - | Pebeta loca | tango |
| 1920 | Roberto Firpo | - | Pegaste la falta | tango |
| 1920 | Roberto Firpo | - | Pena mulata | milonga |
| 1929 | Roberto Firpo | - | Perchita | tango |
| 1920 | Roberto Firpo | - | Perfume de mujer | tango |
| 1920 | Roberto Firpo | - | Pilcha bruja | tango |
| 1922 | Roberto Firpo | - | Pinche | tango |
| 1928 | Roberto Firpo | - | Plumitas | tango |
| 1920 | Roberto Firpo | - | Pobre canillita | tango |
| 1920 | Roberto Firpo | - | Pobre cieguita | tango |
| 1927 | Roberto Firpo | - | Pobre colombina | tango |
| 1920 | Roberto Firpo | - | Pobre huerfanita | tango |
| 1924 | Roberto Firpo | - | Pobre nata | tango |
| 1923 | Roberto Firpo | - | Pobres flores | tango |
| 1920 | Roberto Firpo | - | Pochita | tango |
| 1932 | Roberto Firpo | - | Poema del viejo balcon | tango |
| 1920 | Roberto Firpo | - | Por buen camino | tango |
| 1920 | Roberto Firpo | - | Por ella he sido malo | tango |
| 1920 | Roberto Firpo | - | Por que no has venido | tango |
| 1922 | Roberto Firpo | - | Porque me enganaste | tango |
| 1923 | Roberto Firpo | - | Porque sone! | vals |
| 1920 | Roberto Firpo | - | Portate bien que sos grande | tango |
| 1931 | Roberto Firpo | - | Presentimiento | vals |
| 1927 | Roberto Firpo | - | Princesita | tango |
| 1921 | Roberto Firpo | - | Punto alto | tango milonga |
| 1928 | Roberto Firpo | - | Pura percha | tango |
| 1925 | Roberto Firpo | - | Puras plumas | tango |
| 1920 | Roberto Firpo | - | Purrete de mi amor | tango |
| 1920 | Roberto Firpo | - | Que has hecho de mi carino | Royal Pigall | tango |
| 1928 | Roberto Firpo | - | Que lindo es estar metido | Que lindo es enamorarse | tango |
| 1926 | Roberto Firpo | - | Que pua! | tango |
| 1920 | Roberto Firpo | - | Queja indiana | tango |
| 1920 | Roberto Firpo | - | Quejas de bandoneon | tango |
| 1920 | Roberto Firpo | - | Quiero estar solo | tango |
| 1920 | Roberto Firpo | - | Quinta esencia | tango |
| 1924 | Roberto Firpo | - | Radio Sud | tango con serrucho |
| 1929 | Roberto Firpo | - | Rancho embrujao | tango |