His first songwriting success came when he wrote Spanish interpretations of Silent Night by Franz Gruber and Jingle Bells by James Pierpont, which at the time had no Castilian versions.

[5] Molar was an ambitious talent scout, a shrewd businessman, who had a good ear for what the general public and young people were interested in hearing.

[6] He also created famous ensembles like The Golden Triplets[4] and adapted songs by Paul Anka, the Beatles,[1] Chubby Checker, Bill Haley,[2] Elvis Presley, Neil Sedaka and others for Spanish singers[4] like Sandro and Palito Ortega.

[5] One of his most important works was project he created and produced called "Los 14 con el Tango" which included interdisciplinary works of literature, music and painting, by such artists as Carlos Alonso,[7] Jorge Luis Borges, Carlos Cañás, Juan D'Arienzo, Florencio Escardó, Raquel Forner,[4] Córdoba Iturburu, Leopoldo Marechal, Manuel Mujica Láinez,[7] Astor Piazzolla, Ernesto Sábato, Raúl Soldi and Aníbal Troilo, among others.

[4] Another of his ideas to promote the tango was to place bronze plaques on all 40 corners of Calle Corrientes featuring well known stars such as Enrique Cadícamo, Libertad Lamarque, Raúl Lavié, Tita Merello, Mariano Mores, Horacio Salgán and Tania.