432 Hz is the natural "musical pitch" in the universe, as opposed to 440 Hz, which is the standard in the music nowadays in, for example, music albums and mp3 files.
Research shows that music in 432 Hz, in according to the majority of the music lovers, is nicer for hearing, softer, brighter and more beautiful than music in 440 Hz. But you must have a good ear for music to hear this difference. Practically the difference is more clear with quiet and classical music than with hard, loud music.
432 Hz gives a greater clarity than 440 Hz, there's less need to play music in 432 Hz as loud as in 440 Hz. This means less hearing damage, as long as you put the volume not too high. It's known that, for example, 90 dB gives hearing damage after 8 hours. Further there's also less noise pressure with 432 Hz.
432 Hz is more favourable for the chakras too. 440 Hz is working at the third eye chakra, "the thinking", while 432 Hz is working at the heart chakra, "the feeling". Listening to music in 432 Hz therefore accelerates the spiritual development of the music lover, although the tempo is for everyone different.
Enjoy!

Shaam hai, jaam hai aur hai nasha
Tan bhi hai, man bhi hai pighla hua
Chhayi hai rangeeliyan
Phir bhi hain betabiyaan

Kyun dhadakta hai dil? Kyun yeh kehta hai dil?
Deewana ko ab tak nahin hai yeh pata

Aaj ki raat hona hai kya?
Paana hai kya? Khona hai kya?
Aaj ki raat hona hai kya?
Paana hai kya? Khona hai kya?

Do ghadi mein hi yahan jaane kya hoga
Jo hamesha tha mera bhi mera hoga
Kaun kiske dil mein hai faisla hoga

Faisla hai yahi jeet hogi meri
Oh, deewana ko ab tak nahin hai yeh pata

Aaj ki raat hona hai kya?
Paana hai kya? Khona hai kya?
Aaj ki raat hona hai kya?
Paana hai kya? Khona hai kya?

Aao main tumse kahoon baat chupke se
Rang badlegi pal mein raat chupke se
Tumko le jaaonga phir saath chupke se

Jaaoge tum kahan? Dekho main hoon yahan
Deewana ko ab tak nahin hai yeh pata

Aaj ki raat hona hai kya?
Paana hai kya? Khona hai kya?
Aaj ki raat hona hai kya?
Paana hai kya? Khona hai kya?

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Song - Aaj Ki Raat
Film - Don- The Chase Begins Again
Singer - Alisha Chinoy, Mahalakshmi Iyer, Sonu Nigam
Lyricist - Javed Akhtar
Music Director - Ehsaan Noorani, Loy Mendonca, Shankar Mahadevan
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