In the summer of 2023, the Salzburg Festival demonstrated its close affinity with the music of György Ligeti through the concert series Time with Ligeti. Tabea Zimmermann and Pierre-Laurent Aimard, who played a key role in shaping the series, talked about their own relationship with the composer.

The multifaceted exhibition Ligeti Labyrinth, which was conceived by the Budapest Institute of Musicology and the Paul Sacher Foundation, was presented at the Basel Historical Museum until April 2024.

Cosmos Ligeti: The new documentary film about György Ligeti was broadcast for the first time in May 2023 by the television channels arte and ORF 2 and is still available online.

Composers with very different voices emerged from György Ligeti's composition class in Hamburg. For a joint book, many of them have compiled their memories of the teacher and of the musical issues that were negotiated in the class.

On 28 May 2023, the 100th anniversary of György Ligeti's birth, the composer's music was heard in concert halls all over the world - in cities with which his life was closely linked, such as Budapest, Vienna, and Hamburg, as well as in faraway places like Tokyo and Mexico City.

In addition to having recorded all of György Ligeti's works for choir a cappella, the SWR Vokalensemble is offering workshops on the composer's work as part of a major school project and is also touring his music in Germany, Hungary, the Czech Republic, France and Italy in May and June.

The Wiener Konzerthaus dedicated an extensive concert series to its honorary member György Ligeti on the occasion of his 100th birthday in 2023.

In any case, an almost unheard new version of Macabre Collage was performed independently by the Deutsches Symphonie-Orchester Berlin, the London Symphony Orchestra and the Orchestra Sinfonica Nazionale della RAI in February 2023.

Hans Memling's Danzig altarpiece of the Last Judgement served György Ligeti as inspiration for the Dies irae from his Requiem, which became one of the most complex polyphonic works in music history. As a summary of his previous work and the nucleus of his new work, the Requiem plays a key role.