The music is "Song of March" sung by Yamaguchi Aoi and accompanied by Febian Reza Pane on piano, with music by Takemitsu Toru and lyrics by Tanikawa Shuntaro.
   • 三月のうた (In the Month of March) - 武満徹 /...  
Video List of Aoi Yamaguchi
   / @vocalistaoi  
My woodworking video list
   / @noho91  
My woodworking homepage（のほほん木工房）
http://noho91.web.fc2.com/