If you meant something else by “songs for the holocaust,” please clarify your intent so I can offer a more fitting response.
In concentration camps, music was also weaponized by the Nazis. Prisoners were forced to sing marching songs, and orchestras played at executions and selections to maintain order. Yet prisoners also created secret songs — sometimes just fragments of melody or whispered lyrics — to preserve dignity and morale. In Terezín (Theresienstadt), Jewish musicians and composers like Viktor Ullmann, Pavel Haas, and Gideon Klein wrote cabarets, chamber music, and children’s operas (e.g., Brundibár ) as acts of spiritual defiance, often performed for fellow prisoners before the authors were deported to Auschwitz. songs for the holocaust
Here is a brief overview of that topic: