======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '87'
                                          'artist'  'Janelle Monáe'
                                     'text_people'  ''
                                         'release'  'Metropolis: The Chase Suite'
                                           'title'  'The March of the Wolfmasters'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rnb', 'female vocalists', 'soul', 'pop', 'alternative', 'funk']"
                                     'discogstags'  "['hip hop', 'rock', 'funk / soul', 'rnb/swing', 'new wave', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '7'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '110'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Metropolis: The Chase Suite'
'TBPM' (BPM (beats per minute))                     '110'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2008-08-12'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Antwan André Patton'], ['producer', 'Sean Combs'], ['producer', 'Janelle Monáe']])
'TIT2' (Title/songname/content description)         'The March of the Wolfmasters'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Janelle Monáe'
'TPE2' (Band/orchestra/accompaniment)               'Janelle Monáe'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Bad Boy Records'
'TRCK' (Track number/Position in set)               '1/7'
'TSO2'                                              'Monáe, Janelle'
'TSOP' (Performer sort order)                       'Monáe, Janelle'
'TSRC' (ISRC (international standard recording code))  'USBB40801915'
'TXXX:ASIN'                                         'B001B9ZVW6'
'TXXX:Artists'                                      'Janelle Monáe'
'TXXX:BARCODE'                                      '075678993282'
'TXXX:CATALOGNUMBER'                                '511234-2'
'TXXX:MusicBrainz Album Artist Id'                  'ee190f6b-7d98-43ec-b924-da5f8018eca0'
'TXXX:MusicBrainz Album Id'                         '0a8c0f77-18d4-41a2-90bb-e6e259067183'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        'ee190f6b-7d98-43ec-b924-da5f8018eca0'
'TXXX:MusicBrainz Release Group Id'                 '76b103cc-8e4f-3e09-bf8f-e3e9e763501e'
'TXXX:MusicBrainz Release Track Id'                 '59a81105-fe2a-318c-8a71-2ac53528d456'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['hip hop', 'rock', 'funk / soul', 'rnb/swing', 'new wave', 'soul', 'funk']
'TXXX:lastfmtags'                                   ['rnb', 'female vocalists', 'soul', 'pop', 'alternative', 'funk']
'TXXX:originalyear'                                 '2007'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.369713'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'460bb722-612e-4ff3-af8c-0f2e61164a83')

========================== row from database ==========================
                                              'id'  1236050
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Janelle Monae/Metropolis/01-janelle_monae-the_march_of_the_wolfmasters.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  87
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2175394
                                           'mtime'  1620530307
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Monae 01 janelle_monae the_march_of_the_wolfmasters prerock jb jazz unsorted
                                      'tag_artist'  Janelle Monáe
                                     'tag_release'  Metropolis: The Chase Suite
                                       'tag_title'  The March of the Wolfmasters
                                             'bpm'  110.0
                                    'search_title'  'march':2 'of':3 'the':1 'wolfmasters':4
                                   'search_artist'  'janelle':1 'monae':2,3
                                  'search_release'  'chase':4 'metropolis':1,2 'suite':5 'the':3
                                     'search_rest'  'country':4 'exotica':2 'janelle':6 'jazz':1 'jb':14 'march':9 'monae':5,7 'of':10 'oldies':3 'prerock':13 'the':8,11 'unsorted':15 'wolfmasters':12
                                    'search_combo'  'chase':11C 'country':16 'exotica':14 'janelle':5B,18 'jazz':13 'jb':26 'march':2A,21 'metropolis':8C,9C 'monae':6B,7B,17,19 'of':3A,22 'oldies':15 'prerock':25 'suite':12C 'the':1A,10C,20,23 'unsorted':27 'wolfmasters':4A,24
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['rnb', 'female vocalists', 'soul', 'pop', 'alternative', 'funk']
                                        'tag_date'  2008
                                     'discogstags'  ['hip hop', 'rock', 'funk / soul', 'rnb/swing', 'new wave', 'soul', 'funk']

============================== file details ==============================
                                           'mtime'  1620530306.8763309  (2021-05-09 05:18:26)
                             'size'  2175394