[ Ref. Jochen Schäfer in 260717 MMDigest ]

This is the famous Japanese song, "I am a Child of the Sea."
The words were written in 1908 by Koichiro Miyahara and set to
music by an unknown composer in 1909 or 1910 and included in
anthology of Elementary School Songs by the Ministry of Education.

It is well-known and well-loved in Japan.

John Cowles