./ffmpeg : ffmpeg version git-2019-12-12-f58bda6 Copyright (c) 2000-2019 the FFmpeg developers
At line:1 char:1
+ ./ffmpeg -i "E:\〇su\Songs\713989 FELT - Time and again\audio.mp3" 2>  ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (ffmpeg version ...mpeg developers:String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError
 
  built with gcc 9.2.1 (GCC) 20191125
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d 
--enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus 
--enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp 
--enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis 
--enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid 
--enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf

  libavutil      56. 36.101 / 56. 36.101

  libavcodec     58. 65.100 / 58. 65.100
  libavformat    58. 35.101 / 58. 35.101
  libavdevice    58.  9.101 / 58.  9.101
  libavfilter     7. 68.100 /  7. 68.100

  libswscale      5.  6.100 /  5.  6.100

  libswresample   3.  6.100 /  3.  6.100
  libpostproc    55.  6.100 / 55.  6.100


Input #0, mp3, from 'E:\〇su\Songs\713989 FELT - Time and again\audio.mp3':

  Metadata:
    album           : Flying Fantastica
    title           : Time and again
    Part of a set   : 1
    track           : 2
    artist          : 舞花
    Band            : FELT
    date            : 2017
  Duration: 00:03:31.49, start: 0.025057, bitrate: 190 kb/s
    Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp, 190 kb/s
    Metadata:
      encoder         : LAME3.99r
At least one output file must be specified