There are more links to refer to

http://en.wikipedia.org/wiki/Negaraku


http://paultan.org/archives/2005/08/31/mamula-moon/


http://cmorbutt.multiply.com/journal/item/32


The history shows that it was an old oldies song popular among Malaysia and Indonesia. The song has been translated to malay song lyric call .. Terang Bulan
b4 it was use for Perak as its Perak antem....