======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '177'
                                          'artist'  'Solid Eye'
                                     'text_people'  ''
                                         'release'  'Electromagnetic Field and Stream of Conciousness'
                                           'title'  'Flag Etiquette'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['tape music', 'avant garde', 'free improvisation', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '10'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '107.9'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000B52 00000AE9 000056BE 00006344 00002439 00002439 00008445 000082DF '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B4C 0000000000775224 00000000 00568493 00000000 '
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'COMM:iTunes_CDDB_IDs:eng'                          '10+C5695E0BBEE04257378B634EA9281231+1128639'
'TALB' (Album/Movie/Show title)                     'Electromagnetic Field and Stream of Conciousness'
'TBPM' (BPM (beats per minute))                     '107.9'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-oddness', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1993'
'TENC' (Encoded by)                                 'iTunes v7.6.2'
'TIT2' (Title/songname/content description)         'Flag Etiquette'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Solid Eye'
'TRCK' (Track number/Position in set)               '1/10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['tape music', 'avant garde', 'free improvisation', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.519367'

========================== row from database ==========================
                                              'id'  351773
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Solid Eye - Electromagnetic Field and Stream of Conciousness/01 Flag Etiquette.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  177
                                           'genre'  electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  5678968
                                           'mtime'  1628358018
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 01 electronic experimental oddness;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Solid Eye
                                     'tag_release'  Electromagnetic Field and Stream of Conciousness
                                       'tag_title'  Flag Etiquette
                                             'bpm'  107.9
                                    'search_title'  'etiquette':2 'flag':1
                                   'search_artist'  'eye':2 'solid':1
                                  'search_release'  'and':3 'conciousness':6 'electromagnetic':1 'field':2 'of':5 'stream':4
                                     'search_rest'  'electronic':1 'experimental':2 'mor':12 'oddness':3,5 'pl':7 'set':4,6,9,11 'shirleyspinoza':8,10
                                    'search_combo'  'and':7C 'conciousness':10C 'electromagnetic':5C 'electronic':11 'etiquette':2A 'experimental':12 'eye':4B 'field':6C 'flag':1A 'mor':22 'oddness':13,15 'of':9C 'pl':17 'set':14,16,19,21 'shirleyspinoza':18,20 'solid':3B 'stream':8C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['tape music', 'avant garde', 'free improvisation', 'experimental', 'ambient']
                                        'tag_date'  1993
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1628358018.4258776  (2021-08-07 19:40:18)
                             'size'  5678968