======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '330'
                                          'artist'  'poppy nogood'
                                     'text_people'  ''
                                         'release'  'music for mourning'
                                           'title'  'for the end of time'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '143.5'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'music for mourning'
'TBPM' (BPM (beats per minute))                     '143.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'for the end of time'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'poppy nogood'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf52.54.0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.82 dB'
'TXXX:replaygain_track_peak'                        '0.578183'

========================== row from database ==========================
                                              'id'  1390192
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Parallelism - textura.org/poppy_nogood_for_the_end_of_time.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  330
                                           'genre'  electronic
                                        'filesize'  13498760
                                           'mtime'  1636913262
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer Parallelism textura.org poppy_nogood_for_the_end_of_time electronic
                                      'tag_artist'  poppy nogood
                                     'tag_release'  music for mourning
                                       'tag_title'  for the end of time
                                             'bpm'  143.5
                                    'search_title'  'end':3 'for':1 'of':4 'the':2 'time':5
                                   'search_artist'  'nogood':2 'poppy':1
                                  'search_release'  'for':2 'mourning':3 'music':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':14 'end':11 'for':9 'nogood':8 'of':12 'org':5 'parallelism':3 'poppy':7 'textura':4 'texturaorg':6 'the':10 'time':13
                                    'search_combo'  '00calmer':12 '00poprockelectronic':11 'electronic':24 'end':3A,21 'for':1A,9C,19 'mourning':10C 'music':8C 'nogood':7B,18 'of':4A,22 'org':15 'parallelism':13 'poppy':6B,17 'textura':14 'texturaorg':16 'the':2A,20 'time':5A,23
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913262.38575  (2021-11-14 19:07:42)
                             'size'  13498760