In 1975 he set up his "Electronic Octet" an octet made up of bandoneon, electric piano and/or acoustic piano, organ, guitar, electric bass, drums, synthesizer and violin, which was later replaced by a flute or saxophone. Later that year Aníbal Troilo died and Piazzolla composed the "Suite Troileana" in his memory, a work in four parts, which he recorded with the Conjunto Electronico. At this time Piazzolla started a collaboration with the singer Jose A. Trelles with whom he made a number of recordings.