Hebe was Heracles' second wife.
Maria de Buenos Aires is a tango opera -LRB- tango operita -RRB- with music by Astor Piazzolla and libretto by Horacio Ferrer which premiered at the Sala Planeta in Buenos Aires in May 1968 .. tango. Tango music. opera. opera. Astor Piazzolla. Astor Piazzolla. Horacio Ferrer. Horacio Ferrer. Buenos Aires. Buenos Aires. libretto. libretto. The surreal plot centers on a prostitute in Buenos Aires , Argentina ; the second half takes place after her death .. Buenos Aires. Buenos Aires. surreal. surrealism. prostitute. prostitute. Argentina. Argentina. The characters include Maria -LRB- and , after her death , the Shadow of Maria -RRB- , a singer of payadas , various members of the Buenos Aires underworld , a poet narrator who is also a goblin-like duende , several marionettes under his control , and a circus of psychoanalysts .. Buenos Aires. Buenos Aires. duende. Duende ( mythology ). psychoanalysts. psychoanalysis. Several elements of the libretto suggest parallels between Maria and Mary , the mother of Jesus -LRB- in Spanish , Maria -RRB- or to Jesus himself .. libretto. libretto. Spanish. Spanish language. Jesus. Jesus. While certainly not in the narrow sense an opera ballet , because the dance is tango rather than classical ballet , it falls within the tradition of having set dance pieces integral to an operatic work .. tango. Tango music. opera. opera. opera ballet. opera ballet. ballet. ballet. The music draws on the nuevo tango idiom for which Piazzolla is famous .. tango. Tango music. nuevo tango. nuevo tango. The original idea for the story was conceived by Piazzolla 's then lover , Egle Martin , who was married to Eduardo `` Lalo '' Palacios .. Egle Martin. Egle Martin. The title role was originally conceived for Martin , but while Piazzolla was still composing the operita , he and Martin broke up after he asked her husband for her hand at Christmas in 1967 .. According to Martin , Piazzolla said to Lalo , `` She is music , she ca n't belong to anybody , no she is music , she is music , and that 's me . ''. After their rift a replacement was desperately needed , but Piazzolla soon met folksinger Amelita Baltar at the Buenos Aires nightclub `` Nuestro Tiempo '' , formerly called `` 676 '' and once Piazzolla 's home base in Argentina .. Buenos Aires. Buenos Aires. Argentina. Argentina. Amelita Baltar. Amelita Baltar. Baltar 's identification with the character Maria paired with her beauty and captivating stage presence made her ideal .. The piece is written for at least three vocalists -LRB- one of whom , the narrator , speaks rather than singing -RRB- .. For the orchestration Piazzolla augmented his current working quintet  : Piazzolla -LRB- bandoneon -RRB- , Antonio Agri -LRB- violin -RRB- , Jamie `` El Russo '' Gosis -LRB- piano -RRB- , Oscar Lopez Ruiz -LRB- guitar -RRB- and Kicho Diaz -LRB- double bass -RRB- ; with viola , cello , flute , percussion , vibraphone and xylophone , and another guitar .. bandoneon. bandoneon. Antonio Agri. Antonio Agri. Oscar Lopez Ruiz. Oscar Lopez Ruiz. Kicho Diaz. Kicho Diaz. Maria de Buenos Aires has often been performed with dancers as well as the musicians .. Buenos Aires. Buenos Aires. There are several extant arrangements , including Piazzola 's own and one by Pablo Ziegler .. Pablo Ziegler. Pablo Ziegler