======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '196'
                                          'artist'  'Elvis Presley'
                                     'text_people'  ''
                                         'release'  'Born Bad, Volume 8'
                                           'title'  'Do the Clam'
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                                      'lastfmtags'  "['rock and roll', 'rock n roll', 'rock', 'oldies', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '16'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-pop-early'
                                             'bpm'  '130.566'
                                             'key'  '12A'
                                        'acoustid'  '559b5a78-c48c-4104-9eaf-01e53a62a754'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Born Bad, Volume 8'
'TBPM' (BPM (beats per minute))                     '130.566'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Do the Clam'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Elvis Presley'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Born Bad Records'
'TRCK' (Track number/Position in set)               '10/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Presley, Elvis'
'TXXX:Acoustid Id'                                  '559b5a78-c48c-4104-9eaf-01e53a62a754'
'TXXX:Artists'                                      'Elvis Presley'
'TXXX:CATALOGNUMBER'                                'BB008'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '3bba1eb7-4127-4df5-8f83-804345876a37'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '01809552-4f87-45b0-afff-2c6f0730a3be'
'TXXX:MusicBrainz Release Group Id'                 'f1499ca0-cf53-4bbe-ad29-12c5fc5e0b56'
'TXXX:MusicBrainz Release Track Id'                 '66d58345-1dfe-335c-9324-22708fe112b5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['rock and roll', 'rock n roll', 'rock', 'oldies', 'classic rock']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.233777'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a310f9f5-a3aa-43af-be70-1ada1dd742f5')

========================== row from database ==========================
                                              'id'  948822
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Born Bad Vol. 8/10. Elvis Presley - Do The Clam.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  196
                                           'genre'  rock-pop-early
                                        'filesize'  4826368
                                           'mtime'  1620736627
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va Vol. 10. The rock pop early
                                      'tag_artist'  Elvis Presley
                                     'tag_release'  Born Bad, Volume 8
                                       'tag_title'  Do the Clam
                                             'bpm'  130.566
                                    'search_title'  'clam':3 'do':1 'the':2
                                   'search_artist'  'elvis':1 'presley':2
                                  'search_release'  '8':5 'bad':2,3 'born':1 'volume':4
                                     'search_rest'  '10':8,9 'country':4 'early':13 'exotica':2 'jazz':1 'oldies':3 'pop':12 'rock':11 'the':10 'va':5 'vol':6,7
                                    'search_combo'  '10':18,19 '8':10C 'bad':7C,8C 'born':6C 'clam':3A 'country':14 'do':1A 'early':23 'elvis':4B 'exotica':12 'jazz':11 'oldies':13 'pop':22 'presley':5B 'rock':21 'the':2A,20 'va':15 'vol':16,17 'volume':9C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'rock n roll', 'rock', 'oldies', 'classic rock']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736626.6411855  (2021-05-11 14:37:06)
                             'size'  4826368