31 tango albums were released in the Harlequin collection, of which I own 27.
- HQCD 34 – Various artists – Tango Ladies – El tango hecho carne
- HQCD 45 – Various artists – Instrumental Tangos of the Golden Age
- HQCD 47 – Orquesta Típica Select – 1920
- HQCD 52 – Various artists – Se va la vida: Tango Ladies: 1923–1954
- HQCD 61 – Various artists – Buenos Aires to Berlin: Argentine Tango Bands in Germany: 1927–1939
- HQCD 66 – Eduardo Bianco – Tangos in Paris: 1926–1941
- HQCD 70 – Various artists – Instrumental Tangos of the “Old Guard”
- HQCD 71 – Juan D’Arienzo – King of Rhythm: 1937–1944
- HQCD 88 – Various artists – Buenos Aires to Madrid: Argentine tango bands in Spain: 1927–1941
- HQCD 89 – Various artists – Great Bands of Tango’s Golden Age: 1936–1940
- HQCD 90 – Orquesta Típica Victor – 1926–1931
- HQCD 91 – Various artists – Classic Bands of Tango’s Golden Age
- HQCD 98 – Various artists – Soy un arlequín!: Tango Ladies: 1923–1947
- HQCD 99 – Various artists – Buenos Aires To Paris: 1924–1938
- HQCD 114 – Various artists – Before the Tango: Argentina’s Folk Tradition
- HQCD 115 – Xavier Cugat – Loves to Tango!
- HQCD 117 – Francisco Canaro – Mano brava: 1924–1940
- HQCD 120 – Various artists – Thursday’s Tangos from The Golden Age
- HQCD 121 – Various artists – Buenos Aires to Europe: Argentine Tango Bands on Tour: 1925–1942
- HQCD 127 – Various artists – German Tango Orchestras: 1926–1942
- HQCD 138 – Roberto Firpo – 1920–1944
- HQCD 143 – Julio De Caro – 1926–1932
- HQCD 145 – Carlos Gardel – The Magic of Carlos Gardel
- HQCD 153 – Alfredo de Angelis
- HQCD 155 – Orquesta Típica Victor
- HQCD 157 – Juan D’Arienzo – The Rhythm of Juan D’Arienzo
- HQCD 159 – Osvaldo Pugliese – In the 1940s
- HQCD 168 – Ignacio Corsini – The Prince of Song: 1922–1940
- HQCD 169 – Francisco Canaro – Adiós muchachos: 1926–1938
- HQCD 171 – Various artists – German Tango Orchestras: 1926–1942
- HQCD 172 – Miguel Caló – 1942–1950