It is based on the original Hindustani (Kirana gharana) rendition by Pt. Bhimsen Joshi. he made it for a film starring Shankar Nag and Lakshmi:-
It isn't just a fun parody. The dialects of northern Karnataka differ signifficantly from the 'pure' language of the south, which is the basis for the official grammar and vocabulary. Northerners are often made fun of for being 'country bumpkins', because they speak differently.