I found this article ..how the song came about and the story behind it..its in hindi ( written in english but in hindi 😆)
The following is Gulzar relating the story of how his first film-song
came about...he is a young man of 26 working with stalwarts like Bimal
Roy and Sachin Dev Burman during the making of the movie 'Bandini' in
1962......
moraa goraa ang layi le
mohe syaam rang dayi de
chhup jaoongi raat hi mein
mohe pee ka sang dayi de
is geet ka janm vahaan se shuroo huaa jab Bimal-da aur Sachin-da ne
mujhe bulaayaa situation samjhaane ke liye. Sachin-da ne shuroo kiyaa:
Sachin da
Kalyani (Nutan) jo man hi man Vikas (Ashok Kr.) ko chaahne lagee hai,
ek raat choolhaa-chauNkaa sameTkar gungunaatee huyi baahar nikal aayi'
'bimal da
aisaa karaykTar ghar se baahar jaakar nahiN gaa saktaa ', Bimal-da ne
vahiN rok diyaa.
'sachin da
baahar nahiN jaayegi to baap ke saamne kaise gaayegi' Sachin-da ne
poochhaa.
bimal da
'baap se hameshaa vaishnav-kavitaa sunaa kartee hai, sunaa kyoN nahiN
saktee?' Bimal-da ne daleel dee.
'sachin da
'ye kavitaa-paaTh nahiN hai daadaa, gaanaa hai!'
bimal da
'to kavitaa likho, vo kavitaa gaayegi'
'sachin da
'gaanaa ghar meiN ghuT jaayegaa'
'Bimalda
'to aaNgan meiN le aao, lekin baahar nahiN jaayegi'
'sachin da
Baahar nahiN jaayegaa to ham gaana nahiN banaayegaa!' Sachin-da ne
chetaavnee de dee.
to kuchh is tarah se pehlaa session tHaa. maine pooree kahaanee sunee
Debu se (Debu aur Saran dono Bimal-da ke assistants the.)
baad mein Bimal-da ne dubaaraa bulaayaa aur samjhaayaa: 'raat ka waqt
hai, baahar jaane ko Dartee hai chaaNdanee raat meiN koyi dekh na
le...aaNgan se aage nahiN jaa paatee'
phir Sachin-da ka bulaavaa aayaa...gayaa to bole: 'chaaNdanee raat meiN
Dartee hai koyi dekh na le. aaNgan se baahar bhi aa gayi, lekin
mud.-mud. ke aangan kee taraf dekhtee hai'
ab mujhay kuchh-kuchh samajh meiN aane lagee Kalyani ki duvidhaa
Bimal-da aur Sachin-da ke beech meiN!
Sachin-da ne agle din bulaakar mujhe dhun sunaayi:
la-laa la-la-la la-la-la la-la-laa
Pancham (RD) ne thoda. saa change kiyaa:
da-daa daa~daa daa~daa da-da-daa
geet ki pehlee soorat samajh meiN aane lagee: kuchh la-laa aur kuchh
daa~daa!
maiN sur-taal se behraa bhauNchakka-sa dono ko dekhtaa rhaa, sochaa keh
dooN
ta-ta-t-ta-ta-ta-ta-t...nahiN aataa!
Sachin-da kuchh der harmonium par dhun bajaate rahe...aahistaa-aahistaa
maine gungunaane ki koshish kee...TooTe-TooTe se shabd aane lage:
do-chaar...do chaar...duyi-chaar pag pe aNganaa
bairee kaNga-naa chhanak na
galat-salat sataroN ke kuchh bol ban gaye:
bairee kanga-naa chhanak na
duyi-chaar pag pe aNganaa
mohe kosoN door laage...
Sachin-da ne apnee sur-waali aawaaz meiN gaa ke parkhaa, bole: 'haaN
dhun ki beher yahee rahegee'
chalaa aayaa. gungunaataa rahaa. Kalyani ke baare meiN sochtaa rahaa.
Ek khayaal aayaa...chaaNd se minnat karegee:
maiN piyaa ko dekh aaooN
jaraa mooNh phiraayi le chaNdaa
chaaNd baar-baar badlee haTaakar jhaaNk rahaa hai, muskuraa rahaa hai,
jaise keh rahaa ho: kahaaN jaa rahee ho? kaise jaaogee? maiN roshanee
kar dooNgaa, sab dekh leNge. chiD.ke Kalyani ne gaali de dee:
tohe raahu laage bairee
muskaaye jee jalaayi ke
gusse meiN Kalyani vahiN baiTh gayi...sochaa waapas lauT jaaooN, lekin
moh baaNh se pakaD. kar kheeNch rahaa hai, aur laaj paaNv pakaD.e rok
rahee hai...kucch samajh meiN nahiN aataa kyaa kare. apne aap se
poochhne lagtee hai:
kahaaN le chalaa hai manavaa
mohe baaNwaree banaayi ke
gumsum Kalyani baiThee hai, sochtee hai: 'kaash aaj roshne na hotee,
itnee chaaNdanee na hotee...ya maiN hi itnee goree na hotee ki
chaaNdanee meiN chhalak-chhalak jaatee hooN...saaNwali hotee to kaise
DhaNkee-chhupee apne piyaa ke paas pahuNch jaatee'
lauT aayi bechaari Kalyani, waapas ghar lauT aayi, yahee
gaate-gungunaate:
moraa goraa ang layi le
mohe syaam rang dayi de
chhup jaaooNgi raat hi meiN
mohe pee ka sang dayi de
ho~ O~O~
moraa goraa ang layi le
mohe syaam rang dayi de
chhup jaaooNgi raat hi meiN
mohe pee ka sang dayi de
If you've noticed, the first time this sthaayi is sung by the
Kalyani-Lata, Sachin-da has composed an almost gungunaane waalaa style
with the rhythm starting and then pausing, and then starting and then
pausing again...succinctly bringing out the duvidhaa mentioned above by
Gulzar. And what a tremendously innovative placement of the sam of this
rhythm in the meter...it seems play opposite by coming right between
the words 'goraa' and 'ang', and following that placement throughout
the song!