======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '167'
                                          'artist'  'Caesars Palace'
                                     'text_people'  ''
                                         'release'  'Cherry Kicks'
                                           'title'  'Spill Your Guts'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['indie', 'swedish', 'rock', 'indie rock', 'alternative']"
                                     'discogstags'  "['rock', 'alternative rock', 'garage rock', 'rock & roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '122.215'
                                             'key'  '11B'
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rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cherry Kicks'
'TBPM' (BPM (beats per minute))                     '122.215'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Spill Your Guts'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Caesars Palace'
'TPE2' (Band/orchestra/accompaniment)               'Caesars Palace'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Dolores Recordings'
'TRCK' (Track number/Position in set)               '5/12'
'TSO2'                                              'Caesars'
'TSOP' (Performer sort order)                       'Caesars'
'TXXX:ASIN'                                         'B0000D9X2I'
'TXXX:Acoustid Id'                                  '47d8d34b-825b-402c-b22e-37f7d559346e'
'TXXX:BARCODE'                                      '724384898724'
'TXXX:CATALOGNUMBER'                                'DOL 074'
'TXXX:MusicBrainz Album Artist Id'                  '2f1e4ada-2b9a-4834-90fa-88d61b73082f'
'TXXX:MusicBrainz Album Id'                         'f4a0c3f7-4d95-4167-a901-ba804f2c3ae1'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2f1e4ada-2b9a-4834-90fa-88d61b73082f'
'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', 'garage rock', 'rock & roll']
'TXXX:lastfmtags'                                   ['indie', 'swedish', 'rock', 'indie rock', 'alternative']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.01 dB'
'TXXX:replaygain_track_peak'                        '0.391839'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'690b8c26-c2d4-4776-87f9-76fbcfada7ac')

========================== row from database ==========================
                                              'id'  1364010
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Caesars Palace - Ceasars Palace/Cherry Kicks/05 - spill you guts.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  167
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4017409
                                           'mtime'  1637330299
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock Ceasars 05 spill you guts ifs songwriter indie rock
                                      'tag_artist'  Caesars Palace
                                     'tag_release'  Cherry Kicks
                                       'tag_title'  Spill Your Guts
                                             'bpm'  122.215
                                    'search_title'  'guts':3 'spill':1 'your':2
                                   'search_artist'  'caesars':1 'palace':2
                                  'search_release'  'cherry':1 'kicks':2
                                     'search_rest'  '00poprockelectronic':1 'ceasars':4 'guts':7 'ifs':8 'indie':10 'indierock':3 'poprock':2 'rock':11 'songwriter':9 'spill':5 'you':6
                                    'search_combo'  '00poprockelectronic':8 'caesars':4B 'ceasars':11 'cherry':6C 'guts':3A,14 'ifs':15 'indie':17 'indierock':10 'kicks':7C 'palace':5B 'poprock':9 'rock':18 'songwriter':16 'spill':1A,12 'you':13 'your':2A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'swedish', 'rock', 'indie rock', 'alternative']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'alternative rock', 'garage rock', 'rock & roll']

============================== file details ==============================
                                           'mtime'  1637330299.084086  (2021-11-19 14:58:19)
                             'size'  4017409