======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '325'
                                          'artist'  'Solid Eye'
                                     'text_people'  ''
                                         'release'  'Electromagnetic Field and Stream of Conciousness'
                                           'title'  'Opaque'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', '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'  '2'
                                      'tracktotal'  '10'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '86.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000225 00000220 00002E71 00002925 0003899C 0003899C 00008187 000080B9 '
 '0003899C 0003899C')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000804 0000000000DB006C 00000000 009ED6DC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '10+C5695E0BBEE04257378B634EA9281231+1128639'
'TALB' (Album/Movie/Show title)                     'Electromagnetic Field and Stream of Conciousness'
'TBPM' (BPM (beats per minute))                     '86.8'
'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)         'Opaque'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Solid Eye'
'TRCK' (Track number/Position in set)               '2/10'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+1.05 dB'
'TXXX:replaygain_track_peak'                        '0.714804'

========================== row from database ==========================
                                              'id'  357654
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Solid Eye - Electromagnetic Field and Stream of Conciousness/02 Opaque.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  325
                                           'genre'  electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  10418618
                                           'mtime'  1628358018
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 02 electronic experimental oddness;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Solid Eye
                                     'tag_release'  Electromagnetic Field and Stream of Conciousness
                                       'tag_title'  Opaque
                                             'bpm'  86.8
                                    'search_title'  'opaque':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':6C 'conciousness':9C 'electromagnetic':4C 'electronic':10 'experimental':11 'eye':3B 'field':5C 'mor':21 'oddness':12,14 'of':8C 'opaque':1A 'pl':16 'set':13,15,18,20 'shirleyspinoza':17,19 'solid':2B 'stream':7C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['tape music', 'avant garde', 'free improvisation', 'experimental', 'ambient']
                                        'tag_date'  1993
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1628358018.4394944  (2021-08-07 19:40:18)
                             'size'  10418618