======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '149'
                                          'artist'  'The Wailers'
                                     'text_people'  ''
                                         'release'  'Born Bad, Volume 7'
                                           'title'  'Hang Up'
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                                      'lastfmtags'  "['reggae', 'roots reggae', 'ska', '60s', 'rocksteady']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '16'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-pop-early'
                                             'bpm'  '124.929'
                                             'key'  '3A'
                                        'acoustid'  'c545f99c-e530-4b99-9bdf-7504ad6a0061'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Born Bad, Volume 7'
'TBPM' (BPM (beats per minute))                     '124.929'
'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)         'Hang Up'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'The Wailers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Born Bad Records'
'TRCK' (Track number/Position in set)               '9/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Wailers, The'
'TXXX:Acoustid Id'                                  'c545f99c-e530-4b99-9bdf-7504ad6a0061'
'TXXX:Artists'                                      'The Wailers'
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'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '8415485d-1304-460e-bb80-86fab2e88c2c'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'a3bd2e9e-3839-48bc-abfa-6b6ad2bdcb8e'
'TXXX:MusicBrainz Release Group Id'                 '097ea52a-c6c0-40d4-a4ca-48c5ac41d784'
'TXXX:MusicBrainz Release Track Id'                 '2baf3d02-963c-38f4-b363-ff0eae3c5d5c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['reggae', 'roots reggae', 'ska', '60s', 'rocksteady']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '3'
'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'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.470167'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1d1ca9cd-4aaa-48a2-99c6-a48b951caf24')

========================== row from database ==========================
                                              'id'  947282
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Born Bad Vol. 7/10 - The Fabulous Wailers - Hang Up.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  149
                                           'genre'  rock-pop-early
                                        'filesize'  3084072
                                           'mtime'  1620736597
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va Vol. 10 Fabulous rock pop early
                                      'tag_artist'  The Wailers
                                     'tag_release'  Born Bad, Volume 7
                                       'tag_title'  Hang Up
                                             'bpm'  124.929
                                    'search_title'  'hang':1 'up':2
                                   'search_artist'  'the':1 'wailers':2
                                  'search_release'  '7':5 'bad':2,3 'born':1 'volume':4
                                     'search_rest'  'country':4 'early':11 'exotica':2 'fabulous':8 'jazz':1 'oldies':3 'pop':10 'rock':9 'va':5 'vol':6,7
                                    'search_combo'  '7':9C 'bad':6C,7C 'born':5C 'country':13 'early':20 'exotica':11 'fabulous':17 'hang':1A 'jazz':10 'oldies':12 'pop':19 'rock':18 'the':3B 'up':2A 'va':14 'vol':15,16 'volume':8C 'wailers':4B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'roots reggae', 'ska', '60s', 'rocksteady']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736597.248643  (2021-05-11 14:36:37)
                             'size'  3084072