======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '147'
                                          'artist'  'Orphanage'
                                     'text_people'  ''
                                         'release'  'Oblivion'
                                           'title'  'The Collector'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', '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-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['7 of 10 stars', 'doom metal', 'dutch', 'death metal', 'gothic metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '107.435'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     'Oblivion'
'TBPM' (BPM (beats per minute))                     '107.435'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'The Collector'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Orphanage'
'TRCK' (Track number/Position in set)               '9'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['7 of 10 stars', 'doom metal', 'dutch', 'death metal', 'gothic metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.84 dB'
'TXXX:replaygain_track_peak'                        '0.442177'

========================== row from database ==========================
                                              'id'  1323755
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Orphanage/Oblivion/Orphanage - The Collector.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  147
                                           'genre'  eid-metal
                                        'filesize'  2369408
                                           'mtime'  1620301820
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic eid metal
                                      'tag_artist'  Orphanage
                                     'tag_release'  Oblivion
                                       'tag_title'  The Collector
                                             'bpm'  107.435
                                    'search_title'  'collector':2 'the':1
                                   'search_artist'  'orphanage':1
                                  'search_release'  'oblivion':1
                                     'search_rest'  '00poprockelectronic':1 'eid':2 'metal':3
                                    'search_combo'  '00poprockelectronic':5 'collector':2A 'eid':6 'metal':7 'oblivion':4C 'orphanage':3B 'the':1A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['7 of 10 stars', 'doom metal', 'dutch', 'death metal', 'gothic metal']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301820.2932014  (2021-05-06 13:50:20)
                             'size'  2369408