======================== unified (from filesystem) ========================
                                         'bitrate'  '211.141'
                                        'duration'  '76'
                                          'artist'  'Ivor Cutler'
                                     'text_people'  ''
                                         'release'  'Privilege'
                                           'title'  'I Love You But I Dont Know What I Mean'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', '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-2', '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'  '28'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech'
                                             'bpm'  '99.274'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Privilege'
'TBPM' (BPM (beats per minute))                     '99.274'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'I Love You But I Dont Know What I Mean'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ivor Cutler'
'TRCK' (Track number/Position in set)               '28'
'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: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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.14 dB'
'TXXX:replaygain_track_peak'                        '0.420758'

========================== row from database ==========================
                                              'id'  941837
                                            'path'  /data/Music/Bulk/0nonmusic/Ivor Cutler/Ivor Cutler - 1983 Privilege (rough59)/28 I Love You But I Dont Know What I Mean.mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  76
                                           'genre'  nonmusic-speech
                                        'filesize'  2025708
                                           'mtime'  1620525154
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 1983 (rough59) 28 nonmusic speech
                                      'tag_artist'  Ivor Cutler
                                     'tag_release'  Privilege
                                       'tag_title'  I Love You But I Dont Know What I Mean
                                             'bpm'  99.274
                                    'search_title'  'but':4 'dont':5 'i':1 'know':6 'love':2 'mean':8 'what':7 'you':3
                                   'search_artist'  'cutler':2 'ivor':1
                                  'search_release'  'privilege':1
                                     'search_rest'  '0nonmusic':1 '1983':2 '28':5 'nonmusic':6 'rough59':3,4 'speech':7
                                    'search_combo'  '0nonmusic':12 '1983':13 '28':16 'but':4A 'cutler':10B 'dont':5A 'i':1A 'ivor':9B 'know':6A 'love':2A 'mean':8A 'nonmusic':17 'privilege':11C 'rough59':14,15 'speech':18 'what':7A 'you':3A
                                    'tag_tracknum'  28
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['spoken word', 'humour', 'poetry', 'scottish', 'john peel', 'comedy']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525153.6067762  (2021-05-09 03:52:33)
                             'size'  2025708