For the next game in the Halo trilogy, O'Donnell added new themes as well as bringing back and expanding old ones, some of which had never been recorded with a full orchestra before.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: For the next game in the Halo trilogy, O'Donnell added new themes as well as bringing back and expanding old ones, some of which had never been recorded with a full orchestra before. ### Response: .