'Muchas Gracias de Nada', is a show premiered on June 15, 1979 at the Coliseo Theater in the City of Buenos Aires by the Argentinean ensemble of informal instruments, Les Luthiers. Recorded live between October 24th and 25th, 1980 at the same theater. PROGRAM: 1. La Campana Suonerá; 2. El Rey Enamorado; 3. Sinfonía Interrumpida; 4. La Tanda; 5. Canción para Moverse; 6. La Gallina Dijo Eureka; 7. Trío Op. 115; 8. Cartas de Color; 9. Tango Op. 11. In this show 'Antenor' made its first appearance, an advanced robot (for the time it was built - 1979) that weighed 80 kilos and was equipped with several motors that allowed it to move around the stage, turn its head, etc. The robot caught fire during the last performance of this play (Palacio de Bellas Artes, Mexico - 1980) in the middle of the stage and before the astonished gaze of all those who were there.