Hi community, I'm Nilanjan. I'm about a week into my singing journey with my custom plan.

While going through Abram's Daily Intonation Practice For Low Voices : Major Scale & Interval Focus lessons, in the Warmup section I noticed 3 practice audios that sound exactly the same, just with slightly different names like 2A, 2B, and 2C.

Can someone please explain the difference between them or why they’re labeled that way?

Good question, Nilanjan! I'll ask the web team for clarification. 

Update: web team thinks it's most likely a server error and will attempt to fix it!

Thanks Camille for the clarification!