======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '134'
                                          'artist'  'Violent Femmes'
                                     'text_people'  ''
                                         'release'  'Add It Up (1981-1993)'
                                           'title'  'Vancouver'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'indie', 'alternative', 'alternative rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '135.546'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Add It Up (1981-1993)'
'TBPM' (BPM (beats per minute))                     '135.546'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Vancouver'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Violent Femmes'
'TRCK' (Track number/Position in set)               '22'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['80s', 'indie', 'alternative', 'alternative rock', 'rock']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.20 dB'
'TXXX:replaygain_track_peak'                        '0.630005'

========================== row from database ==========================
                                              'id'  1278428
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Violent Femmes/Add It Up/22 vancouver.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  134
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3225279
                                           'mtime'  1638554841
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 22 vancouver ifs songwriter indie rock
                                      'tag_artist'  Violent Femmes
                                     'tag_release'  Add It Up (1981-1993)
                                       'tag_title'  Vancouver
                                             'bpm'  135.546
                                    'search_title'  'vancouver':1
                                   'search_artist'  'femmes':2 'violent':1
                                  'search_release'  '1981':4 '19811993':6 '1993':5 'add':1 'it':2 'up':3
                                     'search_rest'  '00singer':1 '22':4 'eos':3 'ifs':6 'indie':7 'rock':8 'songwriter':2 'vancouver':5
                                    'search_combo'  '00singer':10 '1981':7C '19811993':9C '1993':8C '22':13 'add':4C 'eos':12 'femmes':3B 'ifs':15 'indie':16 'it':5C 'rock':17 'songwriter':11 'up':6C 'vancouver':1A,14 'violent':2B
                                    'tag_tracknum'  22
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'indie', 'alternative', 'alternative rock', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1638554840.5127454  (2021-12-03 19:07:20)
                             'size'  3225279