This is the 940th most frequent Hindi word.
लहज
Accent or tone.
The word 'लहज' refers to the style or manner of speaking here.
उसका लहज बड़े सभ्य ढंग का है।
His tone is very polite.
In this context, 'लहज' pertains to a recommended way or tone of communicating.
शिक्षक ने छात्रों को उचित लहज में बात करने की शिक्षा दी।
The teacher taught the students to speak in an appropriate tone.
Here, 'लहज' denotes a style or characteristic manner, referring to the traditional essence of the song.