Instrument proficiency refers to a person's ability to effectively play a musical instrument, demonstrating skill in technique, timing, and expression. This proficiency is often measured through practice, performance, and the ability to read music. Musicians may achieve different levels of proficiency, from beginner to advanced, depending on their experience and dedication. Achieving instrument proficiency typically involves regular practice, learning music theory, and possibly taking lessons from a qualified instructor. Many musicians set specific goals, such as mastering a particular piece or improving their sight-reading skills, to enhance their overall ability on their chosen instrument, such as the piano or guitar.