======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '435'
                                          'artist'  'Cult of Luna'
                                     'text_people'  ''
                                         'release'  'Salvation'
                                           'title'  'Leave Me Here'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['sludge', 'post rock', 'doom metal', 'post metal', 'progressive metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '8'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-doom or gothic'
                                             'bpm'  '131.243'
                                             'key'  '10A'
                                        'acoustid'  '38070f7d-66ab-4f7f-bfd2-02723a51320d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Salvation'
'TBPM' (BPM (beats per minute))                     '131.243'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-doom or gothic'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-10-04'
'TIT2' (Title/songname/content description)         'Leave Me Here'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Cult of Luna'
'TPE2' (Band/orchestra/accompaniment)               'Cult of Luna'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Earache Records'
'TRCK' (Track number/Position in set)               '3/8'
'TSO2'                                              'Cult of Luna'
'TSOP' (Performer sort order)                       'Cult of Luna'
'TXXX:ASIN'                                         'B0002XK5PK'
'TXXX:Acoustid Id'                                  '38070f7d-66ab-4f7f-bfd2-02723a51320d'
'TXXX:BARCODE'                                      '5055006528343'
'TXXX:CATALOGNUMBER'                                'MOSH 283 CDL'
'TXXX:MusicBrainz Album Artist Id'                  'd347406f-839d-4423-9a28-188939282afa'
'TXXX:MusicBrainz Album Id'                         '4e7f8492-38be-43ef-80d2-809b998c4592'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd347406f-839d-4423-9a28-188939282afa'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['sludge', 'post rock', 'doom metal', 'post metal', 'progressive metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.82 dB'
'TXXX:replaygain_track_peak'                        '0.436004'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a0094ea6-caf3-447e-8634-b20854318208')

========================== row from database ==========================
                                              'id'  1398521
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Cult of Luna - 2004 - Salvation/03 - Leave Me Here.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  435
                                           'genre'  eid-metal-doom or gothic
                                        'filesize'  17440921
                                           'mtime'  1620310288
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2004 03 eid metal doom or gothic
                                      'tag_artist'  Cult of Luna
                                     'tag_release'  Salvation
                                       'tag_title'  Leave Me Here
                                             'bpm'  131.243
                                    'search_title'  'here':3 'leave':1 'me':2
                                   'search_artist'  'cult':1 'luna':3 'of':2
                                  'search_release'  'salvation':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2004':3 'doom':6 'eid':4 'gothic':8 'metal':5 'or':7
                                    'search_combo'  '00dwimp':8 '00metal':9 '2004':10 'cult':4B 'doom':13 'eid':11 'gothic':15 'here':3A 'leave':1A 'luna':6B 'me':2A 'metal':12 'of':5B 'or':14 'salvation':7C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['sludge', 'post rock', 'doom metal', 'post metal', 'progressive metal']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620310288.4042125  (2021-05-06 16:11:28)
                             'size'  17440921