======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '348'
                                          'artist'  'Convenant'
                                     'text_people'  'Wilhelm Müller'
                                         'release'  'Der Leiermann'
                                           'title'  'Der Leiermann (Club Version)'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['futurepop', 'ebm', 'synthpop', 'electronic', 'industrial']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-futurepop'
                                             'bpm'  '128.008'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Der Leiermann'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCOM' (Composer)                                   'Wilhelm Müller'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-futurepop'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Der Leiermann (Club Version)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Covenant'
'TPE2' (Band/orchestra/accompaniment)               'Convenant'
'TPUB' (Publisher)                                  'SPV'
'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:lastfmtags'                                   ['futurepop', 'ebm', 'synthpop', 'electronic', 'industrial']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.404467'

========================== row from database ==========================
                                              'id'  1288633
                                            'path'  /data/Music/Bulk/00poprockelectronic/Covenant/Covenant - Der Leiermann (Club Version).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  348
                                           'genre'  eid-ebm or industrial or darkwave-futurepop
                                        'filesize'  8372148
                                           'mtime'  1620296711
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Covenant Covenant eid ebm or industrial or darkwave futurepop
                                      'tag_artist'  Convenant
                                     'tag_release'  Der Leiermann
                                       'tag_title'  Der Leiermann (Club Version)
                                             'bpm'  128.008
                                    'search_title'  'club':3,4 'der':1 'leiermann':2 'version':5,6
                                   'search_artist'  'convenant':1
                                  'search_release'  'der':1 'leiermann':2
                                     'search_rest'  '00poprockelectronic':1 'covenant':2 'darkwave':7 'ebm':4 'eid':3 'futurepop':8 'industrial':6 'or':5
                                    'search_combo'  '00poprockelectronic':10 'club':3A,4A 'convenant':7B 'covenant':11 'darkwave':16 'der':1A,8C 'ebm':13 'eid':12 'futurepop':17 'industrial':15 'leiermann':2A,9C 'or':14 'version':5A,6A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['futurepop', 'ebm', 'synthpop', 'electronic', 'industrial']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620296711.210522  (2021-05-06 12:25:11)
                             'size'  8372148