======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '209'
                                          'artist'  'Devotchka'
                                     'text_people'  ''
                                         'release'  '100 Lovers'
                                           'title'  'Exhaustible'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'gypsy', 'alternative', 'cabaret', 'folk']"
                                     'discogstags'  "['alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '96.072'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:{\x1d\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1d\x00\x00')
'PRIV:PeakValue:¡~\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1~\x00\x00')
'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 \x002\x001\x001\x009\x006\x003\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x005\x002\x005\x008\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x002\x002\x008\x004\x001\x006\x007\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x002\x001\x001\x009\x006\x003\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x005\x002\x005\x008\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x002\x002\x008\x004\x001\x006\x007\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x8e\x1ar\x7ft\x16ÃL\x84Q\x17\x02!Zºp'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x8e\x1ar\x7ft\x16\xc3L\x84Q\x17\x02!Z\xbap')
'PRIV:WM/WMCollectionID:\x8e\x1ar\x7ft\x16ÃL\x84Q\x17\x02!Zºp'  PRIV(owner='WM/WMCollectionID', data=b'\x8e\x1ar\x7ft\x16\xc3L\x84Q\x17\x02!Z\xbap')
'PRIV:WM/WMContentID:\x9f\x89U¼[\x13\x13@\x8d=\x7f6¤\x98E\x0b'  PRIV(owner='WM/WMContentID', data=b'\x9f\x89U\xbc[\x13\x13@\x8d=\x7f6\xa4\x98E\x0b')
'TALB' (Album/Movie/Show title)                     '100 Lovers'
'TBPM' (BPM (beats per minute))                     '96.072'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Exhaustible'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '210066'
'TPE1' (Lead performer(s)/Soloist(s))               'Devotchka'
'TPE2' (Band/orchestra/accompaniment)               'Devotchka'
'TPUB' (Publisher)                                  'Epitaph'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'alternative rock'
'TXXX:lastfmtags'                                   ['indie', 'gypsy', 'alternative', 'cabaret', 'folk']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.47 dB'
'TXXX:replaygain_track_peak'                        '0.365213'

========================== row from database ==========================
                                              'id'  1255118
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Devotchka/Devotchka/100 Lovers/07 Exhaustible.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  209
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  8399156
                                           'mtime'  1636400786
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 07 ifs songwriter experimental
                                      'tag_artist'  Devotchka
                                     'tag_release'  100 Lovers
                                       'tag_title'  Exhaustible
                                             'bpm'  96.072
                                    'search_title'  'exhaustible':1
                                   'search_artist'  'devotchka':1
                                  'search_release'  '100':1 'lovers':2
                                     'search_rest'  '00singer':1 'eos':3 'experimental':5 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':5 '100':3C 'devotchka':2B 'eos':7 'exhaustible':1A 'experimental':9 'ifs':8 'lovers':4C 'songwriter':6
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'gypsy', 'alternative', 'cabaret', 'folk']
                                        'tag_date'  2011
                                     'discogstags'  ['alternative rock']

============================== file details ==============================
                                           'mtime'  1636400786.172004  (2021-11-08 20:46:26)
                             'size'  8399156