The bear and the wildcat

"When the little bird dies, his friend the bear is inconsolable. Full of grief, he locks himself in his house and ventures out again only when the smell of young spring grass blows through his window. He always carries a small box, which he opens for no one. He meets a wildcat who understands his need to carry the box. As the cat plays on her violin, the bear remembers all the beauty he experienced with the little bird. Now he can bury his friend...