======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '1127'
                                          'artist'  'Miles Davis'
                                     'text_people'  ''
                                         'release'  'The Complete Columbia Album Collection'
                                           'title'  'Tatu, Part I'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
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 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['fusion', 'jazz', 'trumpet', 'blues', 'bebop']"
                                     'discogstags'  ("['jazz', 'bop', 'fusion', 'jazz-funk', 'modal', 'hard bop', 'jazz-rock', "
 "'cool jazz']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '4'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '99'
                                             'key'  '5B'
                                        'acoustid'  '159a2a97-8db7-4b23-b06c-ac0b3dd8afb7'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Complete Columbia Album Collection'
'TBPM' (BPM (beats per minute))                     '99'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-11-20'
'TIT2' (Title/songname/content description)         'Tatu, Part I'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Miles Davis'
'TPE2' (Band/orchestra/accompaniment)               'Miles Davis'
'TPOS' (Part of a set)                              '57/71'
'TPUB' (Publisher)                                  'Columbia'
'TRCK' (Track number/Position in set)               '1/4'
'TSO2'                                              'Davis, Miles'
'TSOP' (Performer sort order)                       'Davis, Miles'
'TSST' (Set subtitle)                               'Dark Magus (CD 2)'
'TXXX:ASIN'                                         'B002EOF7U8'
'TXXX:Acoustid Id'                                  '159a2a97-8db7-4b23-b06c-ac0b3dd8afb7'
'TXXX:Artists'                                      'Miles Davis'
'TXXX:BARCODE'                                      '886975249220'
'TXXX:CATALOGNUMBER'                                '88697524922'
'TXXX:MusicBrainz Album Artist Id'                  '561d854a-6a28-4aa7-8c99-323e6ce46c2a'
'TXXX:MusicBrainz Album Id'                         '0a060f48-8478-40fd-a1f7-6b770c2827e3'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '561d854a-6a28-4aa7-8c99-323e6ce46c2a'
'TXXX:MusicBrainz Release Group Id'                 '815da048-6080-47b9-86b7-8df3b6b43c50'
'TXXX:MusicBrainz Release Track Id'                 '58498a28-df83-47ce-842e-9397cd8b69ad'
'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'                                  ['jazz',
 'bop',
 'fusion',
 'jazz-funk',
 'modal',
 'hard bop',
 'jazz-rock',
 'cool jazz']
'TXXX:lastfmtags'                                   ['fusion', 'jazz', 'trumpet', 'blues', 'bebop']
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.610116'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'75f3f206-8c5f-4992-940f-9fc688cbeaea')

========================== row from database ==========================
                                              'id'  1293847
                                            'path'  /data/Music/Bulk/00poprockelectronic/Miles Davis/Dark Magus/Miles Davis - Tatu (Part 1).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  1127
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  18091887
                                           'mtime'  1620540914
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Dark Magus (Part 1) prerock jb jazz unsorted
                                      'tag_artist'  Miles Davis
                                     'tag_release'  The Complete Columbia Album Collection
                                       'tag_title'  Tatu, Part I
                                             'bpm'  99.0
                                    'search_title'  'i':4 'part':3 'tatu':1,2
                                   'search_artist'  'davis':2 'miles':1
                                  'search_release'  'album':4 'collection':5 'columbia':3 'complete':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '1':6,7 'dark':2 'jazz':10 'jb':9 'magus':3 'part':4,5 'prerock':8 'unsorted':11
                                    'search_combo'  '00poprockelectronic':12 '1':17,18 'album':10C 'collection':11C 'columbia':9C 'complete':8C 'dark':13 'davis':6B 'i':4A 'jazz':21 'jb':20 'magus':14 'miles':5B 'part':3A,15,16 'prerock':19 'tatu':1A,2A 'the':7C 'unsorted':22
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fusion', 'jazz', 'trumpet', 'blues', 'bebop']
                                        'tag_date'  2009
                                     'discogstags'  ['jazz', 'bop', 'fusion', 'jazz-funk', 'modal', 'hard bop', 'jazz-rock', 'cool jazz']

============================== file details ==============================
                                           'mtime'  1620540913.761305  (2021-05-09 08:15:13)
                             'size'  18091887