======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '224'
                                          'artist'  'Destruction'
                                     'text_people'  'Marco Schirmer/Reinke/Sifringer'
                                         'release'  'Metal Discharge'
                                           'title'  'Made To Be Broken'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'thrash', 'german thrash metal', 'thrash metal', 'metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '125.860'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Metal Discharge'
'TBPM' (BPM (beats per minute))                     '125.860'
'TCOM' (Composer)                                   'Marco Schirmer/Reinke/Sifringer'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Made To Be Broken'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Destruction'
'TPE2' (Band/orchestra/accompaniment)               'Destruction'
'TPUB' (Publisher)                                  'Nuclear Blast America'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['german', 'thrash', 'german thrash metal', 'thrash metal', 'metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.284829'

========================== row from database ==========================
                                              'id'  1353739
                                            'path'  /data/Music/Bulk/00poprockelectronic/Destruction/Metal Discharge/Metal Discharge - 09 - Made To Be Broken.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  224
                                           'genre'  eid-metal-trash
                                        'filesize'  5395966
                                           'mtime'  1620311698
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 09 eid metal trash
                                      'tag_artist'  Destruction
                                     'tag_release'  Metal Discharge
                                       'tag_title'  Made To Be Broken
                                             'bpm'  125.86
                                    'search_title'  'be':3 'broken':4 'made':1 'to':2
                                   'search_artist'  'destruction':1
                                  'search_release'  'discharge':2 'metal':1
                                     'search_rest'  '00poprockelectronic':1 'eid':2 'metal':3 'trash':4
                                    'search_combo'  '00poprockelectronic':8 'be':3A 'broken':4A 'destruction':5B 'discharge':7C 'eid':9 'made':1A 'metal':6C,10 'to':2A 'trash':11
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['german', 'thrash', 'german thrash metal', 'thrash metal', 'metal']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311697.8841121  (2021-05-06 16:34:57)
                             'size'  5395966