======================== unified (from filesystem) ========================
                                         'bitrate'  '180.142'
                                        'duration'  '271'
                                          'artist'  'Horse Feathers'
                                     'text_people'  ''
                                         'release'  'Words Are Dead'
                                           'title'  "Mother's Sick"
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'folk rock', 'experimental', 'folk', 'slow coustic']"
                                     'discogstags'  "['rock', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '115.987'
                                             'key'  '10B'
                                        '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\x82Ñ\x00\x01Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneMediaID', data=b'\x00\x83\x82\xd1\x00\x01\xdb\x11\x89\xca\x00\x19\xb9*93')
'TALB' (Album/Movie/Show title)                     'Words Are Dead'
'TBPM' (BPM (beats per minute))                     '115.987'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         "Mother's Sick"
'TKEY' (Initial key)                                '10B'
'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)               '12'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.49 dB'
'TXXX:replaygain_track_peak'                        '0.598202'

========================== row from database ==========================
                                              'id'  1278304
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Horse Feathers/Words Are Dead/12-horse_feathers-mothers_sick.mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  271
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  6121131
                                           'mtime'  1636400728
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 12 horse_feathers mothers_sick ifs songwriter folk
                                      'tag_artist'  Horse Feathers
                                     'tag_release'  Words Are Dead
                                       'tag_title'  Mother's Sick
                                             'bpm'  115.987
                                    'search_title'  'mother':1 'mothers':3 's':2 'sick':4
                                   'search_artist'  'feathers':2 'horse':1
                                  'search_release'  'are':2 'dead':3 'words':1
                                     'search_rest'  '00singer':1 'eos':3 'feathers':5 'folk':9 'horse':4 'ifs':8 'mothers':6 'sick':7 'songwriter':2
                                    'search_combo'  '00singer':10 'are':8C 'dead':9C 'eos':12 'feathers':6B,14 'folk':18 'horse':5B,13 'ifs':17 'mother':1A 'mothers':3A,15 's':2A 'sick':4A,16 'songwriter':11 'words':7C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', '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'  1636400728.448391  (2021-11-08 20:45:28)
                             'size'  6121131