Phatdac audio file player

I am an electronics engineer but doing other business. I am a hobbiest.

I purchased a phatDAC along with Raspi zero.

I have installed the softwares as per the instructions given

I have not installed “airdac” yet.

since I am new to Linux and Raspi, I donot know how to play musics files like mp3

please give me a simple steps to play audio files.

Thank you