[{"Bold_text": "noun", "List Items": ["a public musical performance in which a number of singers or instrumentalists, or both, participate.", "a public performance, usually by an individual singer, instrumentalist, or the like; recital:The violinist has given concerts all over the world.", "agreement of two or more individuals in a design or plan; combined action; accord or harmony:His plan was greeted with a concert of abuse."]}, {"Bold_text": "adjective", "List Items": ["designed or intended for concerts:concert hall.", "performed at concerts:concert music.", "performing or capable of performing at concerts:a concert pianist."]}, {"Bold_text": "verb (used with object)", "List Items": ["to contrive or arrange by agreement:They were able to concert a settlement of their differences.", "to plan; devise:A program of action was concerted at the meeting."]}, {"Bold_text": "verb (used without object)", "List Items": ["to plan or act together."]}]