code: @SuppressWarnings("unchecked")
  	public T tag(final String tag) {
  		if (this.tags == null) {
  			this.tags = new HashSet<>();
  		}
  
  		this.tags.add(tag);
  		return (T) this;
  	}
docs: Specify an individual tag associated with the sound.
  
  @param tag The tag associated with the sound
  @return The current {@link UploadSound} instance