======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '140'
                                          'artist'  'Leningrad Cowboys'
                                     'text_people'  ''
                                         'release'  'Leningrad Cowboys Go America'
                                           'title'  'Chasing the Light'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['cover', 'alternative', 'polka', 'finnish', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '127.605'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Leningrad Cowboys Go America'
'TBPM' (BPM (beats per minute))                     '127.605'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Chasing the Light'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Leningrad Cowboys'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['cover', 'alternative', 'polka', 'finnish', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.705014'

========================== row from database ==========================
                                              'id'  1315511
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/1989 - Leningrad Cowboys Go America/19 - Chasing The Light.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  140
                                           'genre'  rock-pop
                                        'filesize'  3370880
                                           'mtime'  1620388711
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 1989 19 The rock pop
                                      'tag_artist'  Leningrad Cowboys
                                     'tag_release'  Leningrad Cowboys Go America
                                       'tag_title'  Chasing the Light
                                             'bpm'  127.605
                                    'search_title'  'chasing':1 'light':3 'the':2
                                   'search_artist'  'cowboys':2 'leningrad':1
                                  'search_release'  'america':4 'cowboys':2 'go':3 'leningrad':1
                                     'search_rest'  '00poprockelectronic':1 '19':5 '1989':4 'indierock':3 'pop':8 'poprock':2 'rock':7 'the':6
                                    'search_combo'  '00poprockelectronic':10 '19':14 '1989':13 'america':9C 'chasing':1A 'cowboys':5B,7C 'go':8C 'indierock':12 'leningrad':4B,6C 'light':3A 'pop':17 'poprock':11 'rock':16 'the':2A,15
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['cover', 'alternative', 'polka', 'finnish', 'rock']
                                        'tag_date'  1990
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620388710.655288  (2021-05-07 13:58:30)
                             'size'  3370880