Edition Schott
Hamburg Concerto. horn solo and chamber orchestra (with 2 basset horns and 4 obligatory natural horns). horn solo and chamber orchestra (with 2 basset horns and 4 obligatory natural horns). Réduction pour piano avec partie soliste.

In his Hamburg Concerto Ligeti, inspired by the tonal possibilities of the natural horn, explores alternatives to the well-tempered tonal system. In the orchestra piece he juxtaposes the solo horn with four differently tuned natural horns in the chamber orchestra version. Instrumentation : horn solo and chamber orchestra (with 2 basset horns and 4 obligatory natural horns)