======================== unified (from filesystem) ========================
                                         'bitrate'  '194.711'
                                        'duration'  '292'
                                          'artist'  'Amon Tobin'
                                     'text_people'  'Amon Tobin'
                                         'release'  'Out, From Out Where'
                                           'title'  'Back From Space'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '145.790'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x000\x009\x000\x006\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x000\x000\x006\x004\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x007\x006\x007\x001\x000\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x000\x009\x000\x006\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x000\x000\x006\x004\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x007\x006\x007\x001\x000\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:Ò\x1dÈxO\r\x1aE\x91m\x883¤OV.'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xd2\x1d\xc8xO\r\x1aE\x91m\x883\xa4OV.')
'PRIV:WM/WMCollectionID:Ò\x1dÈxO\r\x1aE\x91m\x883¤OV.'  PRIV(owner='WM/WMCollectionID', data=b'\xd2\x1d\xc8xO\r\x1aE\x91m\x883\xa4OV.')
'PRIV:WM/WMContentID:ü\x9c\x86N©_`A´C6Nj\x1dî$'     PRIV(owner='WM/WMContentID', data=b'\xfc\x9c\x86N\xa9_`A\xb4C6Nj\x1d\xee$')
'TALB' (Album/Movie/Show title)                     'Out, From Out Where'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCOM' (Composer)                                   'Amon Tobin'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Back From Space'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Amon Tobin'
'TPE2' (Band/orchestra/accompaniment)               'Amon Tobin'
'TPUB' (Publisher)                                  'Ninja Tune'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.37 dB'
'TXXX:replaygain_track_peak'                        '0.753565'

========================== row from database ==========================
                                              'id'  1336965
                                            'path'  /data/Music/Bulk/00poprockelectronic/Amon Tobin/Amon Tobin - Back From Space.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  292
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7129886
                                           'mtime'  1636911183
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Amon Tobin
                                     'tag_release'  Out, From Out Where
                                       'tag_title'  Back From Space
                                             'bpm'  145.79
                                    'search_title'  'back':1 'from':2 'space':3
                                   'search_artist'  'amon':1 'tobin':2
                                  'search_release'  'from':3 'out':1,2 'where':4
                                     'search_rest'  '00poprockelectronic':1 'acid':7 'downtempo':6 'electronic':2 'hop':4 'jazz':8 'or':5 'trip':3
                                    'search_combo'  '00poprockelectronic':10 'acid':16 'amon':4B 'back':1A 'downtempo':15 'electronic':11 'from':2A,8C 'hop':13 'jazz':17 'or':14 'out':6C,7C 'space':3A 'tobin':5B 'trip':12 'where':9C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636911182.981678  (2021-11-14 18:33:02)
                             'size'  7129886