======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '236'
                                          'artist'  "L'Âme Immortelle"
                                     'text_people'  ''
                                         'release'  'Lieder die wie Wunden bluten'
                                           'title'  'Licht tötet Schatten (intro)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['darkwave', 'gothic', 'industrial', 'electronic', 'ebm']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '99.714'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Lieder die wie Wunden bluten'
'TBPM' (BPM (beats per minute))                     '99.714'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Licht tötet Schatten (intro)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               "L'Âme Immortelle"
'TRCK' (Track number/Position in set)               '1'
'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'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.23 dB'
'TXXX:replaygain_track_peak'                        '0.602443'

========================== row from database ==========================
                                              'id'  1524027
                                            'path'  /data/Music/Bulk/00dwimp/L_ame Immortelle/L_AME IMMORTELLE - Lieder die wie Wunden bluten - 01 - Licht totet Schatten (intro).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  236
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  5673650
                                           'mtime'  1620296672
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp L_ame L_AME IMMORTELLE 01 totet eid ebm industrial darkwave
                                      'tag_artist'  L'Âme Immortelle
                                     'tag_release'  Lieder die wie Wunden bluten
                                       'tag_title'  Licht tötet Schatten (intro)
                                             'bpm'  99.714
                                    'search_title'  'intro':5,6 'licht':1 'schatten':4 'totet':2,3
                                   'search_artist'  'ame':2,5 'immortelle':7 'l':1,4 'lame':3,6
                                  'search_release'  'bluten':5 'die':2 'lieder':1 'wie':3 'wunden':4
                                     'search_rest'  '00dwimp':1 'ame':3 'darkwave':9 'ebm':7 'eid':6 'immortelle':4 'industrial':8 'l':2 'totet':5
                                    'search_combo'  '00dwimp':19 'ame':8B,11B,21 'bluten':18C 'darkwave':27 'die':15C 'ebm':25 'eid':24 'immortelle':13B,22 'industrial':26 'intro':5A,6A 'l':7B,10B,20 'lame':9B,12B 'licht':1A 'lieder':14C 'schatten':4A 'totet':2A,3A,23 'wie':16C 'wunden':17C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['darkwave', 'gothic', 'industrial', 'electronic', 'ebm']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296672.4052339  (2021-05-06 12:24:32)
                             'size'  5673650