An orchestra conductor is a musician who leads a group of musicians playing together, known as an orchestra. The conductor uses hand gestures, facial expressions, and a baton to communicate the tempo, dynamics, and emotions of the music. This helps ensure that all musicians play in harmony and at the right time. Conductors are essential for performances of classical music, guiding the strings, brass, woodwinds, and percussion sections. They interpret the music score, making artistic decisions that shape the overall sound of the performance. Their role is crucial in bringing the composer's vision to life during concerts and rehearsals.