I use Chatter to play both OTR files, and ATC files.

I love old time vacuum tube AM broadcast radios from 70 or more years ago. I even can do some easier repairs in the circuitry to get them playing like new.

My strange use for Chatter is that I use the paid version of Chatter to play Old Time Radio files. I load these into the ten Custom Regions subfolders. This in no way interferes with also using Chatter for ATC, as long as I only put the OTR files into the ten Regions / Custom subfolders.

Since there are ten Custom subfolders, I can choose from ten OTR radio shows using the Chatter app window if I tick the "Custom" region. Ticking any other region plays the normal ATC instead.

Departure Unicom. The Lone Ranger

Clearance Delivery. Johnny Dollar

Departure Ground. Gunsmoke

Departure Tower. Sam Spade

Departure. Dragnet

Center. Lights Out

Approach. Burns and Allen

Destination Tower. Philip Marlowe

Destination Ground. Jack Benny

Destination Unicom. The Whistler

Chatter keeps track and plays them in order, not randomly. Even if you close Chatter and open it up another day. OTR .mp3 files are always alphabetically named so they are in date of broadcast order. Such as YTJD1948_12_2.mp3.  (Yours Truly Johnny Dollar 1948 December 2nd). So I load lots of files for each of ten radio shows and it all plays organized neatly. It's something to do in order to stay interested during a long flight.

Thousands of OTR .mp3 files free of charge and neatly organized into zip files:

https://archive.org/details/oldtimeradio

The idea came from an old vintage Cessna 140 in the flightsim.com library. There was an AM broadcast radio on the panel right besides the ADF radio. In early days pilots would rotate the antenna loop on either their AM broadcast or their ADF receiver for loudest signal, to get the direction.