======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '338'
                                          'artist'  'Nitzer Ebb'
                                     'text_people'  ''
                                         'release'  'So Bright, So Strong 1985-86'
                                           'title'  'So Bright, So Strong (12")'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '85.888'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'So Bright, So Strong 1985-86'
'TBPM' (BPM (beats per minute))                     '85.888'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'So Bright, So Strong (12")'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nitzer Ebb'
'TRCK' (Track number/Position in set)               '13'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.796609'

========================== row from database ==========================
                                              'id'  1499707
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Nitzer Ebb/rythm control (full)/Nitzer ebb -13- So Bright, so Strong (original 12__ mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  338
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  8123172
                                           'mtime'  1620296045
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth rythm control (full) ebb 13 so (original 12__ mix) eid ebm or industrial or darkwave
                                      'tag_artist'  Nitzer Ebb
                                     'tag_release'  So Bright, So Strong 1985-86
                                       'tag_title'  So Bright, So Strong (12")
                                             'bpm'  85.888
                                    'search_title'  '12':5,6 'bright':2,3 'so':1 'strong':4
                                   'search_artist'  'ebb':2 'nitzer':1
                                  'search_release'  '1985':5 '198586':7 '86':6 'bright':2,3 'so':1 'strong':4
                                     'search_rest'  '00dwimp':1 '00ebm':2 '12':14 'control':7 'darkwave':4 'ebb':10 'ebm':18 'eid':17 'full':8,9 'goth':5 'industrial':3 'mix':15,16 'or':19 'original':12,13 'rythm':6 'so':11
                                    'search_combo'  '00dwimp':16 '00ebm':17 '12':5A,6A,29 '1985':13C '198586':15C '86':14C 'bright':2A,3A,10C,11C 'control':22 'darkwave':19 'ebb':8B,25 'ebm':33 'eid':32 'full':23,24 'goth':20 'industrial':18 'mix':30,31 'nitzer':7B 'or':34 'original':27,28 'rythm':21 'so':1A,9C,26 'strong':4A,12C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  []
                                        'tag_date'  1988
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620296044.7611513  (2021-05-06 12:14:04)
                             'size'  8123172