======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '155'
                                          'artist'  'Cardiacs'
                                     'text_people'  ''
                                         'release'  'Songs For Ships And Irons'
                                           'title'  'All Spectacular'
                                           'quals'  ("['Q-HAP-2', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'q-bass-3', 'q-drums-3', "
 "'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-UNU-3', 'Q-PLAY-3', 'Q-CHART-2', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-2', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '11'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '127.9'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:text_c_03'                                    type PictureType.COVER_FRONT (Cover (front)) b'text_c_03'
                                     
'TALB' (Album/Movie/Show title)                     'Songs For Ships And Irons'
'TBPM' (BPM (beats per minute))                     '127.9'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'All Spectacular'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cardiacs'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'The Alphabet Business Concern'
'TRCK' (Track number/Position in set)               '08/11'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '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'                                        '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-7.07 dB'
'TXXX:replaygain_track_peak'                        '0.998383'

========================== row from database ==========================
                                              'id'  1536870
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/1991 – Songs For Ships And Irons (compilation)/08 - All Spectacular.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  155
                                           'genre'  
                                        'filesize'  6263582
                                           'mtime'  1676127138
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk 1991 – (compilation) 08
                                      'tag_artist'  Cardiacs
                                     'tag_release'  Songs For Ships And Irons
                                       'tag_title'  All Spectacular
                                             'bpm'  127.9
                                    'search_title'  'all':1 'spectacular':2
                                   'search_artist'  'cardiacs':1
                                  'search_release'  'and':4 'for':2 'irons':5 'ships':3 'songs':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '1991':6 'compilation':7,8 'disco':3 'postpunk':5 'waves':2
                                    'search_combo'  '00newwave':12 '00poprockelectronic':9 '1991':14 'all':1A 'and':7C 'cardiacs':3B 'compilation':15,16 'disco':11 'for':5C 'irons':8C 'postpunk':13 'ships':6C 'songs':4C 'spectacular':2A 'waves':10
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HAP-2', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'q-bass-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-UNU-3', 'Q-PLAY-3', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-2', 'Q-LOCALNESS-1']
                                      'lastfmtags'  []
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676127138.116882  (2023-02-11 15:52:18)
                             'size'  6263582