"Tercet" from the operetta "Indigo und die 40 Räuber" ("Indigo and the 40 Thieves") "Tercet" from the operetta "Indigo und die 40 Räuber" ("Indigo and the 40 Thieves") Main opus "Indigo und die 40 Räuber" ("Indigo and the 40 Thieves"), operetta in 3 acts