======================== unified (from filesystem) ========================
                                         'bitrate'  '226.648'
                                        'duration'  '305'
                                          'artist'  'Tom Nunn'
                                     'text_people'  ''
                                         'release'  'Gravikords, Whirlies & Pyrophones'
                                           'title'  'Entomological Effervescence'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['neoclassical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '19'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '133.3'
                                             'key'  '11A'
                                        'acoustid'  'c0ec8b41-1b60-4df1-ae99-523a02cf154b'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Gravikords, Whirlies & Pyrophones'
'TBPM' (BPM (beats per minute))                     '133.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Entomological Effervescence'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Nunn'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ellipsis Arts...'
'TRCK' (Track number/Position in set)               '15/19'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Nunn, Tom'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:ASIN'                                         'B00000BIII'
'TXXX:Acoustid Id'                                  'c0ec8b41-1b60-4df1-ae99-523a02cf154b'
'TXXX:BARCODE'                                      '052296305024'
'TXXX:CATALOGNUMBER'                                'CD3630'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '431e63bf-477b-4ab3-8603-295a67c2beac'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'ba8d6c0e-c41d-43a5-a522-3ec265dc54f1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   'neoclassical'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.03 dB'
'TXXX:replaygain_track_peak'                        '0.847467'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ef4edb0c-298e-4a9e-b39c-7eca07c78ec2')

========================== row from database ==========================
                                              'id'  1385015
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tom Nunn - Various - Gravikords, Whirlies & Pyrophones (1998) [V0]/15 - Tom Nunn - Effervescence.mp3
                                         'working'  None
                                         'bitrate'  226
                                    'duration_sec'  305
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  8657235
                                           'mtime'  1622801183
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Various (1998) [V0] 15 electronic experimental oddness
                                      'tag_artist'  Tom Nunn
                                     'tag_release'  Gravikords, Whirlies & Pyrophones
                                       'tag_title'  Entomological Effervescence
                                             'bpm'  133.3
                                    'search_title'  'effervescence':2 'entomological':1
                                   'search_artist'  'nunn':2 'tom':1
                                  'search_release'  'gravikords':1,2 'pyrophones':4 'whirlies':3
                                     'search_rest'  '1998':2,3 'electronic':6 'experimental':7 'oddness':8 'v0':4,5 'various':1
                                    'search_combo'  '1998':10,11 'effervescence':2A 'electronic':14 'entomological':1A 'experimental':15 'gravikords':5C,6C 'nunn':4B 'oddness':16 'pyrophones':8C 'tom':3B 'v0':12,13 'various':9 'whirlies':7C
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['neoclassical']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622801182.5346045  (2021-06-04 12:06:22)
                             'size'  8657235