'Mastropiero que nunca' was a theatrical humour/music show by Les Luthiers, first performed on Friday 9 September 1977 and last done on Sunday 27 February 1983 (although it was headlining only during 1977 and 1978). It consisted of nine new (never performed previously) live numbers, which ranged from a madrigal to a salsa skit. PROGRAM: 1. Jingle Bass-Pipe (Obertura); 2. La Bella y Graciosa Moza Marchose a Lavar la Ropa; 3. El Asesino Misterioso; 4. Visita a la Universidad de Wildstone; 5. Kathy, la Rrina del Saloon; 6. El Beso de Ariadna; 7. Lazy Daisy; 8. Sonatas para Latín y Piano; 9. Payada de la vaca; 10. Cantata del Adelantado Don Rodrigo Díaz de Carreras, de sus Hazañas en Tierras de Indias, de los Singulares Acontecimientos en que se vió Envuelto, y de cómo se Desenvolvió; 11. El explicado. Two new instruments were introduced during this show: the 'Calephone da Casa' and the 'Shoephone'.

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