======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '250'
                                          'artist'  'Dreadful Shadows'
                                     'text_people'  ''
                                         'release'  'Gothic Club Classics, Volume 2'
                                           'title'  'True Faith (live)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['german', 'cover', 'darkwave', 'gothic', 'gothic rock', 'gothic metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock'
                                             'bpm'  '129.068'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Gothic Club Classics, Volume 2'
'TBPM' (BPM (beats per minute))                     '129.068'
'TCON' (Content type, a.k.a. Genre)                 'eid-goth or gothrock-gothrock'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'True Faith (live)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dreadful Shadows'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['german', 'cover', 'darkwave', 'gothic', 'gothic rock', 'gothic metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.31 dB'
'TXXX:replaygain_track_peak'                        '0.384764'

========================== row from database ==========================
                                              'id'  1394137
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Gothic_Club_Classics_Volume_2/CD_2/13_-_Dreadful_Shadows_-_True_Faith_(Live).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  250
                                           'genre'  eid-goth or gothrock-gothrock
                                        'filesize'  6019474
                                           'mtime'  1620300651
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth Gothic_Club_Classics_Volume_2 CD_2 13_ _Dreadful_Shadows_ _True_Faith_(Live) eid goth or gothrock gothrock
                                      'tag_artist'  Dreadful Shadows
                                     'tag_release'  Gothic Club Classics, Volume 2
                                       'tag_title'  True Faith (live)
                                             'bpm'  129.068
                                    'search_title'  'faith':2 'live':3,4 'true':1
                                   'search_artist'  'dreadful':1 'shadows':2
                                  'search_release'  '2':6 'classics':3,4 'club':2 'gothic':1 'volume':5
                                     'search_rest'  '00dwimp':1 '00ebm':2 '13':13 '2':10,12 'cd':11 'classics':8 'club':7 'darkwave':4 'dreadful':14 'eid':22 'faith':17,20 'goth':5 'gothic':6 'gothrock':24 'industrial':3 'live':18,21 'or':23 'shadows':15 'true':16,19 'volume':9
                                    'search_combo'  '00dwimp':13 '00ebm':14 '13':25 '2':12C,22,24 'cd':23 'classics':9C,10C,20 'club':8C,19 'darkwave':16 'dreadful':5B,26 'eid':34 'faith':2A,29,32 'goth':17 'gothic':7C,18 'gothrock':36 'industrial':15 'live':3A,4A,30,33 'or':35 'shadows':6B,27 'true':1A,28,31 'volume':11C,21
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['german', 'cover', 'darkwave', 'gothic', 'gothic rock', 'gothic metal']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620300650.9431567  (2021-05-06 13:30:50)
                             'size'  6019474