A version of the song by Johnny Cash was recorded in the early 1980s, but remained unreleased until 2014.
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: A version of the song by Johnny Cash was recorded in the early 1980s, but remained unreleased until 2014. ### Response: .