======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '230'
                                          'artist'  'Flogging Molly'
                                     'text_people'  ''
                                         'release'  'Drunken Lullabies'
                                           'title'  'Drunken Lullabies'
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 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['irish', 'irish punk', 'punk', 'folk', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '155'
                                             'key'  '4A'
                                        'acoustid'  '7d773019-9702-4752-afe6-aefe1ff539dd'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Drunken Lullabies'
'TBPM' (BPM (beats per minute))                     '155'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '2002'
'TIT2' (Title/songname/content description)         'Drunken Lullabies'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Flogging Molly'
'TPE2' (Band/orchestra/accompaniment)               'Flogging Molly'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Burning Heart Records'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Flogging Molly'
'TSOP' (Performer sort order)                       'Flogging Molly'
'TXXX:Acoustid Id'                                  '7d773019-9702-4752-afe6-aefe1ff539dd'
'TXXX:Artists'                                      'Flogging Molly'
'TXXX:BARCODE'                                      '7391946115228'
'TXXX:CATALOGNUMBER'                                'BHR 152 / CMV 5.0152.20.562 [ACY]'
'TXXX:Mp3gain_minmax'                               '000,189'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'TXXX:MusicBrainz Album Artist Id'                  'c3694ddc-f7e5-40dd-9fad-90d11a2c50fa'
'TXXX:MusicBrainz Album Id'                         'ee03214b-2b96-4488-9d99-b468a7462f77'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c3694ddc-f7e5-40dd-9fad-90d11a2c50fa'
'TXXX:MusicBrainz Release Group Id'                 'b76238ee-4bb3-36b3-a328-d3218a0ecb6c'
'TXXX:MusicBrainz Release Track Id'                 '2494eefa-6022-4ca7-86e6-4a345d1448f2'
'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:Tracknum'                                     '01'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['irish', 'irish punk', 'punk', 'folk', 'rock']
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.377263'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fe41bad5-1fe0-4237-9c52-18bdc90a3a1f')

========================== row from database ==========================
                                              'id'  1331072
                                            'path'  /data/Music/Bulk/00poprockelectronic/Flogging Molly/Drunken Lullabies/Flogging Molly - Drunken Lullabies - 01.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  230
                                           'genre'  rock-gr-punk
                                        'filesize'  5546768
                                           'mtime'  1621489406
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 01 rock gr punk
                                      'tag_artist'  Flogging Molly
                                     'tag_release'  Drunken Lullabies
                                       'tag_title'  Drunken Lullabies
                                             'bpm'  155.0
                                    'search_title'  'drunken':1 'lullabies':2
                                   'search_artist'  'flogging':1 'molly':2
                                  'search_release'  'drunken':1 'lullabies':2
                                     'search_rest'  '00poprockelectronic':1 'gr':3 'punk':4 'rock':2
                                    'search_combo'  '00poprockelectronic':7 'drunken':1A,5C 'flogging':3B 'gr':9 'lullabies':2A,6C 'molly':4B 'punk':10 'rock':8
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['irish', 'irish punk', 'punk', 'folk', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621489405.6522934  (2021-05-20 07:43:25)
                             'size'  5546768