The primary differences are size, quality and ease-of-use. MP3s are the most standard form for audio files and the size of their files dictates the quality. A 128 kbps file is smaller in size than a 256 kbps one, and lower in quality due to compression of the file.FLAC is a lossless format, meaning it will sound as good as any CD. FLAC files do require a plug-in for them to play on your computer and because of that, aren’t as easy to use as an MP3 file.
The Down The Road Wherever concert FLAC files were output from 24/48 WAV files using the HOFA CD mastering platform as a 48K FLAC.