Troilo, Anibal, 1914-1975. Loved in Buenos aires this musician led a big band during the 1940s, and then when the big bands became uneconomic played in a quartet with guitarist roberto Grela, this was a classic period. His signature piece is considered to be "Quejas de bandoneon", he started playing the bandeneon in a quintet at fourteen. During the forties his orchestra was experiemental, it included Piazolla. It was known for acoustic richness.