Himesh - the Sufi Rwak singer's voice at high pitch is sharp knife edge whereas Tulsi Kumar's voice at high pitch is melodious haunt feel with underlying depth n goonj.

This CONTRAST in terms of sharpness vs depth / goonj provides da USP of this jodi combo.

Their best song as a duet combo till date:

MILE HO TUM TOH from DIL DIYA HAI.

Some high pitched lines of Tulsi Kumar having melodious haunt feel vocals with underlying depth / goonj:

> Her lines, MILE HO TUM TOH HUMSAFAR (high pitched melodious haunt feel vocals with underlying depth / goonj) from 1.37 to 1.43, TERA HI TASAVUR HAI MERI IN DUAON MEIN (high pitched melodious haunt feel vocals with underlying depth / goonj) from 4.20 to 4.26 in MILE HO TUM TOH from DIL DIYA HAI.

> Her line, IS DIL MEIN MEIN KYA HAI (high pitched melodious haunt feel vocals with underlying depth / goonj) from 1.01 to 1.06 in SHABE FIRAQ from CHUP CHUP KE.

> Her line, MAAHIYA JE TERE NAAL DAGA MEIN KARA (high pitched melodious haunt feel vocals with underlying depth / goonj) from 2.53 to 3.00 in SONIYE JE TERE from KARZZZZ.

> Her line, HUM KOH DEEWANA KAR GAYE (high pitched melodious haunt feel vocals with underlying depth / goonj) from 2.00 to 2.15 in TUM SAANSON MEIN from HUM KO DEEWANA KAR GAYE.

> Her line, KYA KARUUUUUU (prolonged high pitched melodious haunt feel vocals with underlying depth / goonj) from 2.15 to 2.18 & 3.33 to 3.37 in DIL NAIYO MAANE RE from PHIR HERA PHERI.

> Her lines, TADAP (off-da-hook high pitched melodious haunt feel vocals with underlying depth / goonj) from 2.04 to 2.05, HASRAAT (off-da-hook high pitched melodious haunt feel vocals with underlying depth / goonj) from 2.09 to 2.10 in TADAP from DARLING.

> Her lines, HUU-UUUUUUU (off-da-hook prolonged high pitched melodious haunt feel echo effect vocals with underlying depth / goonj) from 2.05 to 2.10, TU-UUUUUUUUU (off-da-hook prolonged fulltu high pitched melodious haunt feel echo effect emphasis vocals with underlying depth / goonj) from 2.56 to 2.58 & HAI-AAAAAI (off-da-hook prolonged fulltu high pitched melodious haunt feel echo effect emphasis vocals with underlying depth / goonj) from 4.09 to 4.12 in TERI YAAD BICHAKE SOTA HUUN from ROCKY - THE REBEL.

> Her lines, YEH RISHTA NA JORNA TANHA NA CHORNA (high pitched melodious haunt feel vocals with underlying depth / goonj) from 3.19 to 3.23, ZEHER ZEHER HAI KEHER KEHER HAI TERI CHAAHATON KA YAHI ASSAR from 4.07 to 4.15 in AFSANA BANAKE BHOOL NA JAANA from DIL DIYA HAI.

> Her lines, DEKH LE (off-da-hook high pitched melodious haunt feel vocals with underlying depth / goonj) from 1.33 to 1.36, BEE-HAAL HAI from 1.38 to 1.40 in TERE BIN CHAIN NA AAVE from KARZZZZ.

>  Her lines, TUMHE PAANE KI (high pitched melodious haunt feel vocals with underlying depth / goonj) from 1.40 to 1.42, JAANABE JAANIYA * 4 (high pitched melodious haunt feel vocals with underlying depth / goonj) from 1.49 to 2.05 in MOHABBAT KI GUZARISH from AKSAR.

Other stand out lines:

> Her line, EK TERE SIWA KACHO NAIYO JAANE RE (melodious halke se feel vocals) from 1.35 to 1.44 in DIL NAIYO MAANE RE from PHIR HERA PHERI.

> Her line, TERI YAAD BICHAKE SOTI HUUN (melodious innocent feel vocals) from 2.10 to 2.13 & 2.19 to 2.22 in TERI YAAD BICHAKE SOTA HUUN from ROCKY - THE REBEL.

> Her line, BERIYAAA (melodious innocent haunt feel feel vocals) from 3.11 to 3.14 & 4.52 to 4.55 in TERE BIN CHAIN NA AAVE from KARZZZZ.

> Her line, NA NA NA NA NA NA RE (melodious naughty cheeky teasing vocals) from 2.07 to 2.20 & 3.27 to 3.40 in MILE HO TUM TOH from DIL DIYA HAI.

> Her line, TE RAB KARE (melodious sweet vocals) from 3.00 to 3.01, 3.05 to 3.06 & 4.17 to 4.18 in SONIYE JE TERE from KARZZZZ.

> Her lines in TERE SANG ISHQ (melodious haunt feel) from TOM DICK N HARRY which are sung in a relatively lower pitch range.

Conclusion:

Apart from being Tseries head honcho Bhushan Kumar's sister, she has special talent with her X factor being her melodious haunt feel vocals with underlying depth / goonj at high pitch and they sound innocently cute as if she has just had sweet flour / meetha shehad before singing.