'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 Lat铆n y Piano; 9. Payada de la vaca; 10. Cantata del Adelantado Don Rodrigo D铆az de Carreras, de sus Haza帽as en Tierras de Indias, de los Singulares Acontecimientos en que se vi贸 Envuelto, y de c贸mo se Desenvolvi贸; 11. El explicado. Two new instruments were introduced during this show: the 'Calephone da Casa' and the 'Shoephone'.