Ardour and MP3
Before Ardour 6.0, importing MP3 format files was not possible. I have left in place the comments on an old article that explained the licensing issues that made that tricky, and then went on to explain why using MP3 (or other lossy compression format) files as source material in a project is a bad idea. I am still very strongly convinced that it continues to be a bad idea to work with MP3 data in a DAW, but it seems counter-productive to have that debate in this context. I have left everyone's comments in place for those who want to read them.