======================== unified (from filesystem) ========================
                                         'bitrate'  '185.906'
                                        'duration'  '134'
                                          'artist'  'Horse Feathers'
                                     'text_people'  ''
                                         'release'  'Words Are Dead'
                                           'title'  'Walking & Running'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'folk rock', 'experimental', 'folk', 'slow coustic']"
                                     'discogstags'  "['rock', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '104.660'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:ZuneAlbumArtistMediaID:\x00\x0c\x92Ä\x00\x06Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumArtistMediaID', data=b'\x00\x0c\x92\xc4\x00\x06\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneAlbumMediaID:\x00\x83\x82¹\x00\x01Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumMediaID', data=b'\x00\x83\x82\xb9\x00\x01\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneCollectionID:/ÀòQJ\x1bÊH\xadË\x84\xadiß_\x11'  PRIV(owner='ZuneCollectionID', data=b'/\xc0\xf2QJ\x1b\xcaH\xad\xcb\x84\xadi\xdf_\x11')
'PRIV:ZuneMediaID:\x00\x83\x82Í\x00\x01Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneMediaID', data=b'\x00\x83\x82\xcd\x00\x01\xdb\x11\x89\xca\x00\x19\xb9*93')
'TALB' (Album/Movie/Show title)                     'Words Are Dead'
'TBPM' (BPM (beats per minute))                     '104.660'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Walking & Running'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Horse Feathers'
'TPE2' (Band/orchestra/accompaniment)               'Horse Feathers'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10'
'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'                                  ['rock', 'folk rock']
'TXXX:lastfmtags'                                   ['indie', 'folk rock', 'experimental', 'folk', 'slow coustic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.62 dB'
'TXXX:replaygain_track_peak'                        '0.440876'

========================== row from database ==========================
                                              'id'  1246850
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Horse Feathers/Words Are Dead/10-horse_feathers-walking_and_running.mp3
                                         'working'  None
                                         'bitrate'  186
                                    'duration_sec'  134
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  3135143
                                           'mtime'  1636400728
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 10 horse_feathers walking_and_running ifs songwriter folk
                                      'tag_artist'  Horse Feathers
                                     'tag_release'  Words Are Dead
                                       'tag_title'  Walking & Running
                                             'bpm'  104.66
                                    'search_title'  'running':2 'walking':1
                                   'search_artist'  'feathers':2 'horse':1
                                  'search_release'  'are':2 'dead':3 'words':1
                                     'search_rest'  '00singer':1 'and':7 'eos':3 'feathers':5 'folk':10 'horse':4 'ifs':9 'running':8 'songwriter':2 'walking':6
                                    'search_combo'  '00singer':8 'and':14 'are':6C 'dead':7C 'eos':10 'feathers':4B,12 'folk':17 'horse':3B,11 'ifs':16 'running':2A,15 'songwriter':9 'walking':1A,13 'words':5C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'folk rock', 'experimental', 'folk', 'slow coustic']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'folk rock']

============================== file details ==============================
                                           'mtime'  1636400728.3422549  (2021-11-08 20:45:28)
                             'size'  3135143