======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '227'
                                          'artist'  'Muse'
                                     'text_people'  ''
                                         'release'  'Absolution'
                                           'title'  'Hysteria'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'epic', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '15'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-gr-alt;rock-cppex;rock-indie'
                                             'bpm'  '93'
                                             'key'  '8A'
                                        'acoustid'  'bedd3c5d-b1b6-440b-bd89-44e712ceaa3a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Absolution'
'TBPM' (BPM (beats per minute))                     '93'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-alt', 'rock-cppex', 'rock-indie']
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2009-09-16'
'TIT2' (Title/songname/content description)         'Hysteria'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Muse'
'TPE2' (Band/orchestra/accompaniment)               'Muse'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '8/15'
'TSO2'                                              'Muse'
'TSOP' (Performer sort order)                       'Muse'
'TSRC' (ISRC (international standard recording code))  'GBCVT0300083'
'TXXX:ASIN'                                         'B002F04U7W'
'TXXX:Acoustid Id'                                  'bedd3c5d-b1b6-440b-bd89-44e712ceaa3a'
'TXXX:Artists'                                      'Muse'
'TXXX:BARCODE'                                      '4943674094264'
'TXXX:CATALOGNUMBER'                                'WPCR-13672'
'TXXX:MusicBrainz Album Artist Id'                  '9c9f1380-2516-4fc9-a3e6-f9f61941d090'
'TXXX:MusicBrainz Album Id'                         '681cc1a6-5508-36cc-9b14-4b9e596d1758'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9c9f1380-2516-4fc9-a3e6-f9f61941d090'
'TXXX:MusicBrainz Release Group Id'                 '6f151223-f3a3-3e57-810f-598f7897006c'
'TXXX:MusicBrainz Release Track Id'                 '2c775708-4bc8-3f12-8983-1d4fe47c9f5f'
'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:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'epic', 'rock']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.85 dB'
'TXXX:replaygain_track_peak'                        '0.390754'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c102891a-d4dd-442b-83b5-fa57cc6c1026')

========================== row from database ==========================
                                              'id'  1340738
                                            'path'  /data/Music/Bulk/00poprockelectronic/Muse/Absolution/Muse - Hysteria - 08.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  227
                                           'genre'  rock-gr-alt;rock-cppex;rock-indie
                                        'filesize'  5584641
                                           'mtime'  1636902927
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 08 rock gr alt;rock cppex;rock indie
                                      'tag_artist'  Muse
                                     'tag_release'  Absolution
                                       'tag_title'  Hysteria
                                             'bpm'  93.0
                                    'search_title'  'hysteria':1
                                   'search_artist'  'muse':1
                                  'search_release'  'absolution':1
                                     'search_rest'  '00poprockelectronic':1 'alt':4,6 'cppex':8,10 'gr':3 'indie':12 'rock':2,5,7,9,11
                                    'search_combo'  '00poprockelectronic':4 'absolution':3C 'alt':7,9 'cppex':11,13 'gr':6 'hysteria':1A 'indie':15 'muse':2B 'rock':5,8,10,12,14
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'epic', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1636902926.6459653  (2021-11-14 16:15:26)
                             'size'  5584641