======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '510'
                                          'artist'  'Focus'
                                     'text_people'  ''
                                         'release'  'Prog Rock Essentials'
                                           'title'  'Hocus Pocus (Extended Live)'
                                           'quals'  ("['Q-SYN-1', 'Q-UNU-2', 'Q-BUSY-3', 'Q-GRIT-2', 'q-bass-2', 'Q-JZFKS-1', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-PLAY-3', "
 "'Q-CHART-3', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-2', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '87'
                                      'tracktotal'  ''
                                            'date'  '2021'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '123.4'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Prog Rock Essentials'
'TBPM' (BPM (beats per minute))                     '123.4'
'TDRC' (Recording time)                             '2021'
'TIT2' (Title/songname/content description)         'Hocus Pocus (Extended Live)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Focus'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '87'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-8.72 dB'
'TXXX:replaygain_track_peak'                        '1.060542'

========================== row from database ==========================
                                              'id'  1536932
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/Prog Rock Essentials (2021)/87. Focus - Hocus Pocus (Extended Live).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  510
                                           'genre'  
                                        'filesize'  20615831
                                           'mtime'  1648486207
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk (2021) 87.
                                      'tag_artist'  Focus
                                     'tag_release'  Prog Rock Essentials
                                       'tag_title'  Hocus Pocus (Extended Live)
                                             'bpm'  123.4
                                    'search_title'  'extended':3,4 'hocus':1 'live':5,6 'pocus':2
                                   'search_artist'  'focus':1
                                  'search_release'  'essentials':3 'prog':1 'rock':2
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '2021':6,7 '87':8,9 'disco':3 'postpunk':5 'waves':2
                                    'search_combo'  '00newwave':14 '00poprockelectronic':11 '2021':16,17 '87':18,19 'disco':13 'essentials':10C 'extended':3A,4A 'focus':7B 'hocus':1A 'live':5A,6A 'pocus':2A 'postpunk':15 'prog':8C 'rock':9C 'waves':12
                                    'tag_tracknum'  87
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-SYN-1', 'Q-UNU-2', 'Q-BUSY-3', 'Q-GRIT-2', 'q-bass-2', 'Q-JZFKS-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-PLAY-3', 'Q-CHART-3', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-2', 'Q-LOCALNESS-1']
                                      'lastfmtags'  []
                                        'tag_date'  2021
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1648486207.0089679  (2022-03-28 18:50:07)
                             'size'  20615831