Eduardo Mateo has been played on NTS over 20 times, featured on 19 episodes and was first played on 16 September 2016.

Eduardo Mateo (1940-1990) was a Uruguayan singer, songwriter, guitarist and arranger. He played a key role in the development of the modern Uruguayan pop music mixing rock, jazz, bossa nova and local rhythms like candombe, in a similar way than Brazilian Tropicalismo. Musicians like Argentinian songwriter Juana Molina or Academy Award winners Jorge Drexler and Gustavo Santaolalla cited Mateo as a big influence. Artists like Pedro Aznar, Milton Nascimento or León Gieco have covered his songs.