options: f : australia researchers found lovely music is good for people 's hearts . f : russia researchers found lovely music is good for people 's hearts and reported in america on tuesday . f : american researchers found lovely music is good for people 's hearts . f : russia researchers found lovely music is good for people 's hearts .
article: f : songs that make our hearts happy can make them stronger too ? m : sure , it 's a new find by american researchers and reported in russia on tuesday .