ffmpeg -i DNA*mp4 foo.mp3
FFmpeg version r11872+debian_0.svn20080206-18, Copyright (c) 2000-2008 Fabrice Bellard, et al.
  configuration: --enable-gpl --enable-libfaad --enable-pp --enable-swscaler --enable-x11grab --prefix=/usr --enable-libgsm --enable-libtheora --enable-libvorbis --enable-pthreads --disable-strip --enable-libdc1394 --disable-armv5te --disable-armv6 --disable-altivec --disable-vis --enable-shared --disable-static
  libavutil version: 49.6.0
  libavcodec version: 51.50.0
  libavformat version: 52.7.0
  libavdevice version: 52.0.0
  built on Jun 24 2009 07:18:10, gcc: 4.3.2

Seems stream 0 codec frame rate differs from container frame rate: 1000.00 (1000/1) -> 29.92 (359/12)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'DNA_Mix_Psy.mp4':
  Duration: 00:47:54.7, start: 0.000000, bitrate: 307 kb/s
    Stream #0.0(und): Video: h264, yuv420p, 480x360 [PAR 0:1 DAR 0:1], 29.92 tb(r)
    Stream #0.1(und): Audio: mpeg4aac, 44100 Hz, stereo
Output #0, mp2, to 'foo.mp3':
    Stream #0.0(und): Audio: mp2, 44100 Hz, stereo, 64 kb/s
Stream mapping:
  Stream #0.1 -> #0.0
Press [q] to stop encoding
size=     699kB time=89.5 bitrate=  64.0kbits/s
video:0kB audio:699kB global headers:0kB muxing overhead 0.000000%
Received signal 2: terminating.