HTML

form bem naming

 <div class="block">
      <form name="add">
      <h3>Add a Song</h3>
      <div class="input">
        <input name="title" type="text" placeholder="Title" class="input__text input__text_type_title">
        <input name="artist" type="text" placeholder="Artist" class="input__text input__text_type_artist">
        <button class="input__btn input__btn_action_add">
          Add
        </button>
        </form>
      </div>
    </div>