Pedro Laurenz (born Pedro Blanco Acosta) was a bandoneon player, director and composer of Argentine tango music. 　　He was born on October 10, 1902, and died on July 7, 1972. 　　He was the creator of the classic tango songs Mala junta, Risa loca, Milonga de mis amores, Mal de amores and Berretín.