We can learn some Japanese words and gammar from this song. Lets start ^^
拝啓この手紙読んでいるあなたは
どこで何をしているのだろう
Haikei kono tegami yondeiru anata wa
doko de nani wo shiteiru no darou
Dear
you,who's reading this letter
Where are you and what are you doing now?
Where are you and what are you doing now?