Even if you do not understand Telugu (like me), you will be able to get the gist of this video from the 1957 movie Mayabazar. It reflects the kind of importance given to Sanskrit pronunciation. Also reflects a pretty common (in my view) mode of thinking among dvija-s that pronunciation does not come easily to the pancamā-s, hence their exclusion from Veda. (Phonetics (śikṣā) is part of the six vedangas)