The correct answer is "mnemonic".
The song Skye composed for his quiz is considered to be a mnemonic device. A mnemonic is described as any mastering method that aids statistics retention or retrieval within the human reminiscence. Mnemonics uses many aspects, such as elaborative encoding, retrieval cues, and the use of imagery as precise devices to encode any given facts in a way that lets in for efficient storage and retrieval.