 
 <translate> Q: Passage: Orchestras are usually led by a conductor who directs the performance with movements of the hands and arms, often made easier for the musicians to see by use of a conductor's baton. The conductor unifies the orchestra, sets the tempo and shapes the sound of the ensemble. The conductor also prepares the orchestra by leading rehearsals before the public concert, in which the conductor provides instructions to the musicians on their interpretation of the music being performed.

Question: Based on this passage, who is known as the leader of an orchestra?
Let's give stream of consciousness below
 <hau> Tambaya: Matsayi: Orchestras yawanci ana jagorantar su ta hanyar jagora wanda ke jagorantar wasan kwaikwayon tare da motsi na hannu da makamai, sau da yawa sauƙaƙa wa mawaƙa ganin ta hanyar amfani da sandar jagora. Mai gudanar da waƙoƙin yana sa ƙungiyar ta kasance da haɗin kai, yana tsara yadda za a raira waƙa kuma yana tsara yadda za a yi waƙa. Har ila yau, mai gudanarwa yana shirya ƙungiyar mawaƙa ta hanyar gudanar da gwaje-gwaje kafin wasan kwaikwayo na jama'a, inda mai gudanarwa ke ba da umarni ga mawaƙa a kan fassarar su na kiɗan da ake yi.  Tambaya: Bisa ga wannan nassi, wanene aka san shi da shugaban ƙungiyar mawaƙa? Bari mu ba da rafi na sani a kasa 