======================== unified (from filesystem) ========================
                                         'bitrate'  '201.492'
                                        'duration'  '29'
                                          'artist'  'Ivor Cutler'
                                     'text_people'  ''
                                         'release'  'Privilege'
                                           'title'  'Breathing Regularly'
                                           'quals'  ("['Q-UNU-2', 'Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spoken word', 'humour', 'poetry', 'scottish', 'john peel', 'comedy']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '130.063'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Privilege'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-speech', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Breathing Regularly'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ivor Cutler'
'TRCK' (Track number/Position in set)               '29'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['spoken word', 'humour', 'poetry', 'scottish', 'john peel', 'comedy']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.94 dB'
'TXXX:replaygain_track_peak'                        '0.500694'

========================== row from database ==========================
                                              'id'  941413
                                            'path'  /data/Music/Bulk/0nonmusic/Ivor Cutler/Ivor Cutler - 1983 Privilege (rough59)/29 Breathing Regularly.mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  29
                                           'genre'  nonmusic-speech;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  758158
                                           'mtime'  1639510668
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 1983 (rough59) 29 nonmusic speech;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Ivor Cutler
                                     'tag_release'  Privilege
                                       'tag_title'  Breathing Regularly
                                             'bpm'  130.063
                                    'search_title'  'breathing':1 'regularly':2
                                   'search_artist'  'cutler':2 'ivor':1
                                  'search_release'  'privilege':1
                                     'search_rest'  '0nonmusic':1 '1983':2 '29':5 'mor':16 'nonmusic':6 'pl':11 'rough59':3,4 'set':8,10,13,15 'shirleyspinoza':12,14 'speech':7,9
                                    'search_combo'  '0nonmusic':6 '1983':7 '29':10 'breathing':1A 'cutler':4B 'ivor':3B 'mor':21 'nonmusic':11 'pl':16 'privilege':5C 'regularly':2A 'rough59':8,9 'set':13,15,18,20 'shirleyspinoza':17,19 'speech':12,14
                                    'tag_tracknum'  29
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['spoken word', 'humour', 'poetry', 'scottish', 'john peel', 'comedy']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639510668.4360309  (2021-12-14 20:37:48)
                             'size'  758158