The music is "lightning bug（Lyrics and composition）" of Vocaloid by Kouduki's sing.
https://www.nicovideo.jp/watch/sm2327...
Original Vocaloid Song: 蛍 (lightning bug) 　Lyrics and composition: PENGUINS PROJECT
https://www.nicovideo.jp/watch/sm1160...

My woodworking video list
https://www.youtube.com/@noho91/videos
My woodworking homepage　（のほほん木工房）
http://noho91.web.fc2.com/