if (str.length ())
{
instrument_name_ = new Audio_text (Audio_text::INSTRUMENT_NAME, str);
announce_element (Audio_element_info (instrument_name_, 0));
instrument_ = new Audio_instrument (str);
announce_element (Audio_element_info (instrument_, 0));
if (str.length ())
{
instrument_name_ = new Audio_text (Audio_text::INSTRUMENT_NAME, str);
announce_element (Audio_element_info (instrument_name_, 0));
instrument_ = new Audio_instrument (str);
announce_element (Audio_element_info (instrument_, 0));