Pedro Laurenz was born on October 10, 1902 and passed her childhood in the vicinity of the district of the Crespo Villa

During its years of training, it plays in the orchesre of Eduardo Arolas.

It is known, initially, as a virtuoso of the bandoneon as it as well controlled of the two hands; it will be at the origin of a school, as leader, and finally, as type-setter inter alia the immortal one: "Milonga of put amores, of" Evil of amores "," Amurado "writes with Pedro Maffia with whom it forms a legendary duet of bandoneonists. Astor Piazolla will pay homage with the tango "" Pedro y Pedro ", of" Orgullo criollo and Mala junta "in collaboration with Julio de Caro with which it shares the musical revolution of sound sextet in 1925

It forms its own orchestra in 1934 with Armando Blaxo with the piano. Since 1937, its recordings are regarded as significant of a change of time in the orchestration of the tango.

It is necessary to listen to the absolute modernity of the recordings between 1937 and 1944.

It composed of many tangos and milongas which crossed the repertory of very many musicians and not of least, such Osvaldo Pugliese and which is always played today

In the Sixties, it continues its rich person career of innovator by creating the "quinteto real" with other genious musicians such: Horacio Salgan, Enrique Mario Francini, Ubaldo de Lio and Rafael Ferro.

When it dies out on July 7, 1972, it is one of the largest type-setters of the history of the tango.