======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '271'
                                          'artist'  'Death In June'
                                     'text_people'  ''
                                         'release'  'Live In Wien [CD2]'
                                           'title'  "C'est Un Reve"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial', 'dark folk', 'apocalyptic folk', 'experimental', 'neofolk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'ifs-folk-neo'
                                             'bpm'  '107.664'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'www.mp3db.ru'
'TALB' (Album/Movie/Show title)                     'Live In Wien [CD2]'
'TBPM' (BPM (beats per minute))                     '107.664'
'TCON' (Content type, a.k.a. Genre)                 'ifs-folk-neo'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         "C'est Un Reve"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Death In June'
'TRCK' (Track number/Position in set)               '15'
'TSOA' (Album sort order)                           'Live In Wien [CD2]'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['industrial', 'dark folk', 'apocalyptic folk', 'experimental', 'neofolk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.461785'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.mp3db.ru')

========================== row from database ==========================
                                              'id'  1516461
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/32- C_est Un Reve- (Camenhas).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  271
                                           'genre'  ifs-folk-neo
                                        'filesize'  10858536
                                           'mtime'  1637330751
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 32 C_est (Camenhas) ifs folk neo
                                      'tag_artist'  Death In June
                                     'tag_release'  Live In Wien [CD2]
                                       'tag_title'  C'est Un Reve
                                             'bpm'  107.664
                                    'search_title'  'c':1 'cest':3 'est':2 'reve':5 'un':4
                                   'search_artist'  'death':1 'in':2 'june':3
                                  'search_release'  'cd2':4,5 'in':2 'live':1 'wien':3
                                     'search_rest'  '00poprockelectronic':1 '32':7 'c':8 'camenhas':10,11 'est':9 'files':5,6 'folk':13 'ifs':12 'loose':3,4 'neo':14 'unsorted':2
                                    'search_combo'  '00poprockelectronic':14 '32':20 'c':1A,21 'camenhas':23,24 'cd2':12C,13C 'cest':3A 'death':6B 'est':2A,22 'files':18,19 'folk':26 'ifs':25 'in':7B,10C 'june':8B 'live':9C 'loose':16,17 'neo':27 'reve':5A 'un':4A 'unsorted':15 'wien':11C
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dark folk', 'apocalyptic folk', 'experimental', 'neofolk']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330750.679216  (2021-11-19 15:05:50)
                             'size'  10858536