======================== unified (from filesystem) ========================
                                         'bitrate'  '209.373'
                                        'duration'  '230'
                                          'artist'  'Crispin Hellion Glover'
                                     'text_people'  ''
                                         'release'  'The Big Problem ≠ the Solution. The Solution = Let It Be'
                                           'title'  'Selected Readings From Rat Catching'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['spoken word', 'unimaginable brilliance', 'alternative', 'avant garde', "
 "'experimental', 'misunderstood geniuses']")
                                     'discogstags'  "['alternative rock', 'non-music', 'rock', 'spoken word', 'avantgarde']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '16'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '111.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:Checksum:eng'                                 'AG# DEC18F31'
'MCDI' (Music CD identifier)                        MCDI(data=b'\x00\x8a\x01\x10\x00\x10\x01\x00\x00\x00\x00\x00\x00\x10\x02\x00\x00\x00\n\xa7\x00\x10\x03\x00\x00\x00N\xeb\x00\x10\x04\x00\x00\x00w\x12\x00\x10\x05\x00\x00\x00\xbd\xd0\x00\x10\x06\x00\x00\x00\xf1\x1c\x00\x10\x07\x00\x00\x01\x1f_\x00\x10\x08\x00\x00\x01f\xdb\x00\x10\t\x00\x00\x01\xa6w\x00\x10\n\x00\x00\x01\xb7K\x00\x10\x0b\x00\x00\x02!\xc7\x00\x10\x0c\x00\x00\x02F8\x00\x10\r\x00\x00\x02\x81\xeb\x00\x10\x0e\x00\x00\x02\x89M\x00\x10\x0f\x00\x00\x02\xb0?\x00\x10\x10\x00\x00\x02\xdb\xd4\x00\x10\xaa\x00\x00\x02\xf1\xec')
'TALB' (Album/Movie/Show title)                     'The Big Problem ≠ the Solution. The Solution = Let It Be'
'TBPM' (BPM (beats per minute))                     '111.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '1989'
'TDRC' (Recording time)                             '1989'
'TENC' (Encoded by)                                 'Audiograbber 1.83.1 w/LAME 3.97 (--preset fast extreme)'
'TIT2' (Title/songname/content description)         'Selected Readings From Rat Catching'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Crispin Hellion Glover'
'TPE2' (Band/orchestra/accompaniment)               'Crispin Hellion Glover'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/16'
'TSO2'                                              'Glover, Crispin Hellion'
'TSOP' (Performer sort order)                       'Glover, Crispin Hellion'
'TXXX:ASIN'                                         'B000003BG6'
'TXXX:MusicBrainz Album Artist'                     'Crispin Hellion Glover'
'TXXX:MusicBrainz Album Artist Id'                  '8ac2e18a-6f43-494a-b61f-eedff24d7825'
'TXXX:MusicBrainz Album Artist Sortname'            'Glover, Crispin Hellion'
'TXXX:MusicBrainz Album Id'                         '278aedd4-f217-4677-a80a-8602603e0beb'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8ac2e18a-6f43-494a-b61f-eedff24d7825'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:PERFORMERSORTORDER'                           'Glover, Crispin Hellion'
'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:RELEASETIME'                                  '1989'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:TAGGINGTIME'                                  '2007-11-12T06:22:47'
'TXXX:discogstags'                                  ['alternative rock', 'non-music', 'rock', 'spoken word', 'avantgarde']
'TXXX:lastfmtags'                                   ['spoken word',
 'unimaginable brilliance',
 'alternative',
 'avant garde',
 'experimental',
 'misunderstood geniuses']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.724695'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'23959dff-a6e1-4097-804e-34dde011d11e')

========================== row from database ==========================
                                              'id'  1375406
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Crispin Hellion Glover - The Big Problem ≠ the Solution. The Solu/02 Selected Readings From Rat Catchi.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  230
                                           'genre'  electronic-experimental
                                        'filesize'  6611693
                                           'mtime'  1636916840
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 02 electronic experimental
                                      'tag_artist'  Crispin Hellion Glover
                                     'tag_release'  The Big Problem ≠ the Solution. The Solution = Let It Be
                                       'tag_title'  Selected Readings From Rat Catching
                                             'bpm'  111.5
                                    'search_title'  'catching':5 'from':3 'rat':4 'readings':2 'selected':1
                                   'search_artist'  'crispin':1 'glover':3 'hellion':2
                                  'search_release'  'be':8 'big':2 'it':7 'let':6 'problem':3 'solution':4,5 'the':1
                                     'search_rest'  'electronic':1 'experimental':2
                                    'search_combo'  'be':16C 'big':10C 'catching':5A 'crispin':6B 'electronic':17 'experimental':18 'from':3A 'glover':8B 'hellion':7B 'it':15C 'let':14C 'problem':11C 'rat':4A 'readings':2A 'selected':1A 'solution':12C,13C 'the':9C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['spoken word', 'unimaginable brilliance', 'alternative', 'avant garde', 'experimental', 'misunderstood geniuses']
                                        'tag_date'  1989
                                     'discogstags'  ['alternative rock', 'non-music', 'rock', 'spoken word', 'avantgarde']

============================== file details ==============================
                                           'mtime'  1636916839.895637  (2021-11-14 20:07:19)
                             'size'  6611693