<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is the circle of fifths used for in music theory? Context: The circle of fifths in music theory is used to depict the relationships between the tones of the chromatic scale, key signatures, and major and minor keys. Answer: [/INST]The circle of fifths is used to illustrate the relationships between the 12 tones of the chromatic scale, their corresponding key signatures, and the associated major and minor keys.</s>