======================== unified (from filesystem) ========================
                                         'bitrate'  '245.241'
                                        'duration'  '234'
                                          'artist'  'Forever Slave'
                                     'text_people'  ''
                                         'release'  'Tales For Bad Girls'
                                           'title'  'GothiX girls'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', '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-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['female vocalists', 'gothic', 'female fronted metal', 'symphonic metal', "
 "'gothic metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-doom or gothic'
                                             'bpm'  '109.943'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tales For Bad Girls'
'TBPM' (BPM (beats per minute))                     '109.943'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-doom or gothic'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'GothiX girls'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Forever Slave'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['female vocalists',
 'gothic',
 'female fronted metal',
 'symphonic metal',
 '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'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.286148'

========================== row from database ==========================
                                              'id'  1401536
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Forever Slave/Forever Slave-Tales For Bad Girls (2008)/03-gothix_girls.mp3
                                         'working'  None
                                         'bitrate'  245
                                    'duration_sec'  234
                                           'genre'  eid-metal-doom or gothic
                                        'filesize'  7183402
                                           'mtime'  1620310294
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal (2008) 03 gothix_girls eid metal doom gothic
                                      'tag_artist'  Forever Slave
                                     'tag_release'  Tales For Bad Girls
                                       'tag_title'  GothiX girls
                                             'bpm'  109.943
                                    'search_title'  'girls':2 'gothi':3 'gothix':1 'x':4
                                   'search_artist'  'forever':1 'slave':2
                                  'search_release'  'bad':3 'for':2 'girls':4 'tales':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2008':3,4 'doom':9 'eid':7 'girls':6 'gothic':10 'gothix':5 'metal':8
                                    'search_combo'  '00dwimp':11 '00metal':12 '2008':13,14 'bad':9C 'doom':19 'eid':17 'for':8C 'forever':5B 'girls':2A,10C,16 'gothi':3A 'gothic':20 'gothix':1A,15 'metal':18 'slave':6B 'tales':7C 'x':4A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['female vocalists', 'gothic', 'female fronted metal', 'symphonic metal', 'gothic metal']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310293.9817681  (2021-05-06 16:11:33)
                             'size'  7183402