Conversation so far:
Who is György Ligeti?
György Ligeti was a Hungarian-Austrian composer of contemporary classical music.
Who are György Ligeti's parents?
György Ligeti was born in 1923 at Dicsőszentmárton (which was renamed to Târnăveni in 1941), in the Romanian region of Transylvania, to Dr. Sándor Ligeti and Dr. Ilona Somogyi.
Where did György Ligeti grow up?
György Ligeti moved to Cluj with his family when he was six years old.
Did György Ligeti marry anyone?
György Ligeti was survived by his wife Vera and son Lukas.
What school did György Ligeti attend?
Following World War II, György Ligeti returned to his studies in Budapest, graduated in 1949 from the Franz Liszt Academy of Music.
Did György Ligeti get any awards?
György Ligeti has won the 1967 Beethoven Prize of Bonn for Requiem, the 1969 UNESCO International Rostrum of Composers, 1972 Berlin Art Prize, and many more.
Are there any other interesting aspects about the György Ligeti article besides everything previously mentioned?
In 1944, György Ligeti's education was interrupted when he was sent to a forced labor brigade by the Horthy regime during events of the Holocaust.

Question: What did he do in there?
Self-contained rewrite: What did György Ligeti do in the forced labor brigade during events of the Holocaust?