If I Know You Love Me (หากรู้สักนิด) is the theme song of Bansaithong stage play performed at Sala Chaloem Thai in 1951.
Prajaoworrawongter Praongjao Panupanyukon composed lyrics.
Momluang Prapan Sanitwong composed melody.
The first recording was made by Svalee Pagapan in 1951.
The song made Momluang Prapan Sanitwong win Golden Record Award in 1971
If you build your family tree and connect it to your relatives' family trees like fitting pieces of jigsaw together,
you will get a perfect big family tree which you and your relatives can share to get to know one another although they live in different cities or different countries
because the family tree explains clearly who is who.