======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '200'
                                          'artist'  'The Cat Empire'
                                     'text_people'  'Felix'
                                         'release'  'Cities: The Cat Empire Project'
                                           'title'  'Know Your Name'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-2', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['australian', 'jazz', 'ska', 'alternative', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '14'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-ska'
                                             'bpm'  '135'
                                             'key'  '10B'
                                        'acoustid'  'c0e504e4-5b35-43f0-aa2a-522288a265c5'
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Cities: The Cat Empire Project'
'TBPM' (BPM (beats per minute))                     '135'
'TCOM' (Composer)                                   'Felix'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-ska'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-04-04'
'TIT2' (Title/songname/content description)         'Know Your Name'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '201266'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'The Cat Empire'
'TPE2' (Band/orchestra/accompaniment)               'The Cat Empire'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/14'
'TSO2'                                              'Cat Empire, The'
'TSOP' (Performer sort order)                       'Cat Empire, The'
'TSRC' (ISRC (international standard recording code))  'AUTW00600006'
'TXXX:Acoustid Id'                                  'c0e504e4-5b35-43f0-aa2a-522288a265c5'
'TXXX:Artists'                                      'The Cat Empire'
'TXXX:MusicBrainz Album Artist Id'                  'a530492f-8806-4bd7-9c14-80c237eb92fe'
'TXXX:MusicBrainz Album Id'                         'ae09c8d6-a895-4f30-b970-e7e5b55fcb31'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a530492f-8806-4bd7-9c14-80c237eb92fe'
'TXXX:MusicBrainz Release Group Id'                 'd907ee36-c7aa-3eb5-a59f-88ebc43251c4'
'TXXX:MusicBrainz Release Track Id'                 '2b2998f7-9670-345f-b72c-6ec32dea8277'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['australian', 'jazz', 'ska', 'alternative', 'funk']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.07 dB'
'TXXX:replaygain_track_peak'                        '0.458531'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ca786cea-4c8a-41f5-b044-3001aed09b0b')

========================== row from database ==========================
                                              'id'  1246045
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Cat Empire/Cities/06-know your name-the cat empire.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  200
                                           'genre'  prerock-jb-jazz-ska
                                        'filesize'  3216086
                                           'mtime'  1620536133
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 06 know your name the cat empire prerock jb jazz ska
                                      'tag_artist'  The Cat Empire
                                     'tag_release'  Cities: The Cat Empire Project
                                       'tag_title'  Know Your Name
                                             'bpm'  135.0
                                    'search_title'  'know':1 'name':3 'your':2
                                   'search_artist'  'cat':2 'empire':3 'the':1
                                  'search_release'  'cat':4 'cities':1,2 'empire':5 'project':6 'the':3
                                     'search_rest'  'cat':9 'country':4 'empire':10 'exotica':2 'jazz':1 'jb':12 'know':5 'name':7 'oldies':3 'prerock':11 'ska':13 'the':8 'your':6
                                    'search_combo'  'cat':5B,10C,21 'cities':7C,8C 'country':16 'empire':6B,11C,22 'exotica':14 'jazz':13 'jb':24 'know':1A,17 'name':3A,19 'oldies':15 'prerock':23 'project':12C 'ska':25 'the':4B,9C,20 'your':2A,18
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['australian', 'jazz', 'ska', 'alternative', 'funk']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536132.7513652  (2021-05-09 06:55:32)
                             'size'  3216086