Final answer:
Being a Song Leader involves Energy to engage, Gesture for visual emphasis, and the human Voice for emotional expression.
Step-by-step explanation:
The three keys to being a Song Leader involve vital components that contribute to the overall effectiveness and appeal of a performance. The first key is Energy, which acts as the driving force that engages both the singers and the audience, making the experience invigorating and memorable. Secondly, Gesture is crucial as it serves as a visual aid to emphasize the music's rhythm, emotion, and dynamics, enhancing the audience's connection to the performance.
Lastly, Voice is paramount as the human voice holds a unique power in music, it can express a vast array of emotions and subtleties that can profoundly resonate with listeners. A song leader must blend these elements skillfully, similarly to a ruler combining different elements to achieve harmony and success, as in the analogy of the wise leader harmonizing various forces for their constituents' welfare.