How to Export and Convert GarageBand to MP3 on Mac/PC
How To Export Your Song in Logic Pro X
Audacity tutorial: Converting to mp3 or AAC and other formats, example: Matthew Smith - epic orchestral synth music for film and game effects; Buanzo's LAME mp3 library
Export to mp3 format - Help/How To - Shotcut Forum
Exporting a Podcast as an MP3 in Adobe Audition | Media Commons
Exporting a Podcast as an MP3 in Adobe Audition | Media Commons
MP3 Export Options - Audacity Manual
Exporting a Podcast as an MP3 in GarageBand | Media Commons