Magic Audio Joiner is mp3 joiner, audio merger, wav joiner, wma joiner, m4a joiner, ac3 joiner in one! You pick the output format, which can be mp3, ogg, wav, ogg, m4a, mp4, ape, flac, spx, aac or wma. This wav joiner lets you insert silence, in seconds, between each track in the recording. The user interface is very intuitive; just drag and drop audio files that you want to join. You can then enter data about each track, like artist, title, album, year and genre. Magic Audio Joiner is available for you to try right away.