A few definitions of a falsetto voice are:

> A male voice in an upper register beyond its normal range.

> A form of vocal production used by male singers to extend their range upwards beyond its natural compass by limiting the vibration of the vocal cords.

> A male singing voice with artificially high tones in an upper register.

> The higher ranges of the voice in singing; the vibrations of sung notes are felt in the head.

Himesh has made use of a falsetto voice using his "new Radio vocals / singing style" in the following song portions:

> His line, WOO OOOW (OFF-DA-HOOK high pitched) from 0.45 to 0.47, 1.03 to 1.05 & 1.33 to 1.35 in MANGO from DAMADAMM.

> His line, MERI JAA-AA-AA-AA-NNNN (killer soulfful croon) from 1.08 to 1.18 & 1.50 to 1.58 in HUM TUM TRAIN KI from DAMADAMM.

Singing high pitched notes in a falsetto voice is quite a difficult feat to pull off and only pro singers can pull it off with conviction.

This is because it is basically trying to sing with an artificially high pitched voice and yet trying to ensure believability in it, without sounding amateurish.

This is indeed a remarkable feat by Himesh - the new Radio singer, because prior to this he could only sing in the "middle and lower bazz octave" range, but he found a way for the "high pitch" range using his new Radio singing style n vocals.

Having said this, the core fundamentals and versatility of Himesh - the singer can never ever be doubted!

N.B. = Himesh - the new Radio singer refers to his 2nd new-ish vocals which he started using after Radio (2009) album.