======================== unified (from filesystem) ========================
                                         'bitrate'  '212.546'
                                        'duration'  '190'
                                          'artist'  'The Dead 60s'
                                     'text_people'  ''
                                         'release'  'The Dead 60s'
                                           'title'  'Just Another Love Song'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'ska', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'dub', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '13'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '134.735'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:http://www.cdtag.com:\x00\x00Ô\x1c|\x00'      PRIV(owner='http://www.cdtag.com', data=b'\x00\x00\xd4\x1c|\x00')
'TALB' (Album/Movie/Show title)                     'The Dead 60s'
'TBPM' (BPM (beats per minute))                     '134.735'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2005-05-31'
'TIT2' (Title/songname/content description)         'Just Another Love Song'
'TKEY' (Initial key)                                '9A'
'TLAN' (Language(s))                                'eng'
'TLEN' (Length)                                     '190000'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dead 60s'
'TPUB' (Publisher)                                  'Epic'
'TRCK' (Track number/Position in set)               '5/13'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Rip date'                                     '2005-05-25'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:discogstags'                                  ['rock', 'dub', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'ska', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.382908'

========================== row from database ==========================
                                              'id'  1379185
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Dead 60s/The Dead 60s/The Dead 60s - The Dead 60s - 05 - Just Another Love Song.mp3
                                         'working'  None
                                         'bitrate'  212
                                    'duration_sec'  190
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  5062879
                                           'mtime'  1637330245
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 05 ifs songwriter indie rock
                                      'tag_artist'  The Dead 60s
                                     'tag_release'  The Dead 60s
                                       'tag_title'  Just Another Love Song
                                             'bpm'  134.735
                                    'search_title'  'another':2 'just':1 'love':3 'song':4
                                   'search_artist'  '60s':3 'dead':2 'the':1
                                  'search_release'  '60s':3 'dead':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'poprock':2 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':11 '60s':7B,10C 'another':2A 'dead':6B,9C 'ifs':14 'indie':16 'indierock':13 'just':1A 'love':3A 'poprock':12 'rock':17 'song':4A 'songwriter':15 'the':5B,8C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'ska', 'indie rock', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'dub', 'indie rock']

============================== file details ==============================
                                           'mtime'  1637330244.719534  (2021-11-19 14:57:24)
                             'size'  5062879