If you are looking for the song when Hyoga meets his mother under the ice, it is called "キゲナス". If you are looking for the song when Hyoga thinks of his mother, the song is called "AiしきBrothersたち". Listen: /music/0a3362e3184e6c60.html Download/201005/zll800201/0a3362e3184e6c60.mp3 Haha... I uploaded it myself... If you want to listen to it and download it, don’t forget to give it a like~Thank you~