======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '38'
                                          'artist'  'Jill Fraser & Elizabeth Myers'
                                     'text_people'  ''
                                         'release'  "Serge Musician's Tape"
                                           'title'  'Esso Commercial'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '23'
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '143.7'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Serge Musician's Tape"
'TBPM' (BPM (beats per minute))                     '143.7'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '1983'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Esso Commercial'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'Cassette'
'TPE1' (Lead performer(s)/Soloist(s))               'Jill Fraser & Elizabeth Myers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Serge Modular Music Systems'
'TRCK' (Track number/Position in set)               '3/23'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Fraser, Jill & Myers, Elizabeth'
'TXXX:Artists'                                      'Jill Fraser/Elizabeth Myers'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'f8c04fa1-407e-4014-9837-fd087422fe97'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'promotion'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'c08138b1-258d-45f0-963b-df95ff526451/aae495c9-15e1-437c-ab69-cd8a32c94a09'
'TXXX:MusicBrainz Release Group Id'                 '7bddb04d-ac8f-4093-b7c8-395f7757da0b'
'TXXX:MusicBrainz Release Track Id'                 'ff841328-645c-321c-8058-392f15b8beea'
'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:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '1983'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.72 dB'
'TXXX:replaygain_track_peak'                        '0.611700'
'TXXX:tracknum'                                     '02'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8c6cc2ed-ceec-4eb1-b025-3885354c0e0c')

========================== row from database ==========================
                                              'id'  1527873
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Alvin Curran - Serge Musician_s Tape/02 - Esso Commercial [by Broadscore = Jill Fraser & Elizabeth Myers].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  38
                                           'genre'  electronic-experimental
                                        'filesize'  917850
                                           'mtime'  1636916785
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Alvin Curran Musician_s 02 [by Broadscore = Myers] electronic experimental
                                      'tag_artist'  Jill Fraser & Elizabeth Myers
                                     'tag_release'  Serge Musician's Tape
                                       'tag_title'  Esso Commercial
                                             'bpm'  143.7
                                    'search_title'  'commercial':2 'esso':1
                                   'search_artist'  'elizabeth':3 'fraser':2 'jill':1 'myers':4
                                  'search_release'  'musician':2 'musicians':4 's':3 'serge':1 'tape':5
                                     'search_rest'  'alvin':1 'broadscore':7 'by':5,6 'curran':2 'electronic':10 'experimental':11 'musician':3 'myers':8,9 's':4
                                    'search_combo'  'alvin':12 'broadscore':18 'by':16,17 'commercial':2A 'curran':13 'electronic':21 'elizabeth':5B 'esso':1A 'experimental':22 'fraser':4B 'jill':3B 'musician':8C,14 'musicians':10C 'myers':6B,19,20 's':9C,15 'serge':7C 'tape':11C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916784.982319  (2021-11-14 20:06:24)
                             'size'  917850