======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '220'
                                          'artist'  'Leningrad Cowboys'
                                     'text_people'  ''
                                         'release'  'Leningrad Cowboys Go America'
                                           'title'  'Born to Be Wild'
                                           '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-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['cover', 'alternative', 'polka', 'finnish', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-pop;set-cover or covered'
                                             'bpm'  '144.541'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Leningrad Cowboys Go America'
'TBPM' (BPM (beats per minute))                     '144.541'
'TCON' (Content type, a.k.a. Genre)                 ['rock-pop', 'set-cover or covered']
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Born to Be Wild'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Leningrad Cowboys'
'TRCK' (Track number/Position in set)               '13'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.643629'

========================== row from database ==========================
                                              'id'  1304253
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/1989 - Leningrad Cowboys Go America/13 - Born to Be Wild.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  220
                                           'genre'  rock-pop;set-cover or covered
                                        'filesize'  5306424
                                           'mtime'  1637523122
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 1989 13 rock pop;set cover covered
                                      'tag_artist'  Leningrad Cowboys
                                     'tag_release'  Leningrad Cowboys Go America
                                       'tag_title'  Born to Be Wild
                                             'bpm'  144.541
                                    'search_title'  'be':3 'born':1 'to':2 'wild':4
                                   'search_artist'  'cowboys':2 'leningrad':1
                                  'search_release'  'america':4 'cowboys':2 'go':3 'leningrad':1
                                     'search_rest'  '00poprockelectronic':1 '1989':4 'cover':10 'covered':11 'indierock':3 'pop':6,8 'poprock':2 'rock':5 'set':7,9
                                    'search_combo'  '00poprockelectronic':11 '1989':14 'america':10C 'be':3A 'born':1A 'cover':20 'covered':21 'cowboys':6B,8C 'go':9C 'indierock':13 'leningrad':5B,7C 'pop':16,18 'poprock':12 'rock':15 'set':17,19 'to':2A 'wild':4A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['cover', 'alternative', 'polka', 'finnish', 'rock']
                                        'tag_date'  1990
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637523122.4366715  (2021-11-21 20:32:02)
                             'size'  5306424