======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '97'
                                          'artist'  'Clark'
                                     'text_people'  ''
                                         'release'  'Clark'
                                           'title'  'Petroleum Tinged'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', '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-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'warp', 'experimental']"
                                     'discogstags'  "['techno', 'electronic', 'minimal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '13'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '143.7'
                                             'key'  '9A'
                                        'acoustid'  '57152077-cba5-4403-b582-24c8308430c7'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Clark'
'TBPM' (BPM (beats per minute))                     '143.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '2014'
'TDRC' (Recording time)                             '2014-11-02'
'TIT2' (Title/songname/content description)         'Petroleum Tinged'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Clark'
'TPE2' (Band/orchestra/accompaniment)               'Clark'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warp'
'TRCK' (Track number/Position in set)               '10/13'
'TSO2'                                              'Clark'
'TSOP' (Performer sort order)                       'Clark'
'TSRC' (ISRC (international standard recording code))  'GBBPW1400220'
'TXXX:Acoustid Id'                                  '57152077-cba5-4403-b582-24c8308430c7'
'TXXX:CATALOGNUMBER'                                'WARP251'
'TXXX:MusicBrainz Album Artist Id'                  '5d0c202c-e30f-40c4-abf5-c0007af0d1cc'
'TXXX:MusicBrainz Album Id'                         '69045b8a-5d80-4627-a0bd-9244c2b2da6d'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5d0c202c-e30f-40c4-abf5-c0007af0d1cc'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['techno', 'electronic', 'minimal']
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'warp', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.00 dB'
'TXXX:replaygain_track_peak'                        '0.502667'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0f8a8658-6581-45dd-a12a-6f95f898254f')

========================== row from database ==========================
                                              'id'  1121055
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Clark - Clark (2014)]/10. Petroleum Tinged.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  97
                                           'genre'  electronic-experimental
                                        'filesize'  3957462
                                           'mtime'  1622801406
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (2014)] 10. electronic experimental
                                      'tag_artist'  Clark
                                     'tag_release'  Clark
                                       'tag_title'  Petroleum Tinged
                                             'bpm'  143.7
                                    'search_title'  'petroleum':1 'tinged':2
                                   'search_artist'  'clark':1
                                  'search_release'  'clark':1
                                     'search_rest'  '10':3,4 '2014':1,2 'electronic':5 'experimental':6
                                    'search_combo'  '10':7,8 '2014':5,6 'clark':3B,4C 'electronic':9 'experimental':10 'petroleum':1A 'tinged':2A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'warp', 'experimental']
                                        'tag_date'  2014
                                     'discogstags'  ['techno', 'electronic', 'minimal']

============================== file details ==============================
                                           'mtime'  1622801406.214186  (2021-06-04 12:10:06)
                             'size'  3957462