======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '325'
                                          'artist'  "L'Âme Immortelle"
                                     'text_people'  ''
                                         'release'  '5 Jahre'
                                           'title'  'Soul in Agony'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', '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-3']")
                                      'lastfmtags'  "['darkwave', 'gothic', 'industrial', 'electronic', 'ebm']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '120.256'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '5 Jahre'
'TBPM' (BPM (beats per minute))                     '120.256'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Soul in Agony'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               "L'Âme Immortelle"
'TRCK' (Track number/Position in set)               '2'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['darkwave', 'gothic', 'industrial', 'electronic', 'ebm']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.36 dB'
'TXXX:replaygain_track_peak'                        '0.479406'

========================== row from database ==========================
                                              'id'  1531896
                                            'path'  /data/Music/Bulk/00dwimp/L_ame Immortelle/Lame Immortelle/Lame Immortelle - 5 Jahre - Limited Digipack With Covers - By Morefx/L'ame Immortelle - 5 Jahre (Limited EP)/L_AME IMMORTELLE - 5 Jahre - 02 - Soul in Agony.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  325
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  6511629
                                           'mtime'  1620296690
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp L_ame Lame Lame Limited Digipack With Covers By Morefx L'ame (Limited EP) L_AME IMMORTELLE 02 eid ebm industrial darkwave
                                      'tag_artist'  L'Âme Immortelle
                                     'tag_release'  5 Jahre
                                       'tag_title'  Soul in Agony
                                             'bpm'  120.256
                                    'search_title'  'agony':3 'in':2 'soul':1
                                   'search_artist'  'ame':2,5 'immortelle':7 'l':1,4 'lame':3,6
                                  'search_release'  '5':1 'jahre':2
                                     'search_rest'  '00dwimp':1 'ame':3 'by':9 'covers':8 'darkwave':18 'digipack':6 'ebm':16 'eid':15 'ep':12,13 'immortelle':14 'industrial':17 'l':2 'lame':4 'limited':5,11 'morefx':10 'with':7
                                    'search_combo'  '00dwimp':13 '5':11C 'agony':3A 'ame':5B,8B,15 'by':21 'covers':20 'darkwave':30 'digipack':18 'ebm':28 'eid':27 'ep':24,25 'immortelle':10B,26 'in':2A 'industrial':29 'jahre':12C 'l':4B,7B,14 'lame':6B,9B,16 'limited':17,23 'morefx':22 'soul':1A 'with':19
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7A
                                           '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-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['darkwave', 'gothic', 'industrial', 'electronic', 'ebm']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296690.143107  (2021-05-06 12:24:50)
                             'size'  6511629