He also often performs works involving singing and spoken text; Richard Barrett's work Interference exploits both his vocal and clarinet-playing abilities, and he gave the premiere of Aaron Cassidy's work for solo voice, I, purples, spat blood, laugh of beautiful lips.
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: He also often performs works involving singing and spoken text; Richard Barrett's work Interference exploits both his vocal and clarinet-playing abilities, and he gave the premiere of Aaron Cassidy's work for solo voice, I, purples, spat blood, laugh of beautiful lips. ### Response: .