The term "instrumental" refers to something that serves as a tool or means to achieve a specific goal. In music, it describes compositions that are performed without vocal elements, focusing solely on instruments. This can include genres like classical, jazz, and electronic music, where the melody and harmony are created through various instruments. In a broader context, "instrumental" can also describe actions or people that play a crucial role in bringing about a change or outcome. For example, a leader may be instrumental in guiding a team through a project, ensuring its success through effective strategies and support.