How to Record Audio and Save as MP3 File using Audacity
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
How to Get Higher Audio Quality when Using Audacity
How to Export an Audacity File As an MP3 in 2 Simple Ways
Export Multiple - Audacity Manual
How to Convert MP4 to MP3 in Audacity
How to Get Higher Audio Quality when Using Audacity