======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '375'
                                          'artist'  'Āvarta'
                                     'text_people'  ''
                                         'release'  "Zarathustra's Revenge"
                                           'title'  'Europa Minor'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '11'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '154'
                                             'key'  '6A'
                                        'acoustid'  'b46f67f3-75a3-4232-bcae-36b8c6c08d7d'
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Zarathustra's Revenge"
'TBPM' (BPM (beats per minute))                     '154'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Europa Minor'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Āvarta'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/4'
'TPUB' (Publisher)                                  'Mellow Records'
'TRCK' (Track number/Position in set)               '8/11'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Āvarta'
'TXXX:Acoustid Id'                                  'b46f67f3-75a3-4232-bcae-36b8c6c08d7d'
'TXXX:Artists'                                      'Āvarta'
'TXXX:CATALOGNUMBER'                                'MMP 328 A/B/C/D'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '06594af9-7b03-4523-9e1b-276d351f7a28'
'TXXX:MusicBrainz Album Release Country'            'IT'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'ba4ee4dd-8ead-43bd-8125-689440bde984'
'TXXX:MusicBrainz Release Group Id'                 '0de2360b-8773-4586-9239-d4f53bb26c1b'
'TXXX:MusicBrainz Release Track Id'                 '47f47900-768b-3beb-b8fc-fbb3b1e4855f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '1.025734'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'960860ed-4cb2-41e5-95c9-a5bbb7dcfdb5')

========================== row from database ==========================
                                              'id'  1413926
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Algebra - Italian Prog Tribute/cd 1/108_-_avarta_(italy)_-europa_minor_(mauro_pagani).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  375
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  12030737
                                           'mtime'  1620736018
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Algebra Italian Prog Tribute cd 1 108_ _avarta_(italy)_ europa_minor_(mauro_pagani) rock cppex progressive;set pl progspace
                                      'tag_artist'  Āvarta
                                     'tag_release'  Zarathustra's Revenge
                                       'tag_title'  Europa Minor
                                             'bpm'  154.0
                                    'search_title'  'europa':1 'minor':2
                                   'search_artist'  'avarta':1,2
                                  'search_release'  'revenge':4 's':2 'zarathustra':1 'zarathustras':3
                                     'search_rest'  '1':7 '108':8 'algebra':2 'avarta':9,11 'cd':6 'classicprogpsy':1 'cppex':22 'europa':13,17 'italian':3 'italy':10,12 'mauro':15,19 'minor':14,18 'pagani':16,20 'pl':27 'prog':4 'progressive':23,25 'progspace':28 'rock':21 'set':24,26 'tribute':5
                                    'search_combo'  '1':15 '108':16 'algebra':10 'avarta':3B,4B,17,19 'cd':14 'classicprogpsy':9 'cppex':30 'europa':1A,21,25 'italian':11 'italy':18,20 'mauro':23,27 'minor':2A,22,26 'pagani':24,28 'pl':35 'prog':12 'progressive':31,33 'progspace':36 'revenge':8C 'rock':29 's':6C 'set':32,34 'tribute':13 'zarathustra':5C 'zarathustras':7C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736018.1596  (2021-05-11 14:26:58)
                             'size'  12030737