======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '219'
                                          'artist'  'Ivor Cutler'
                                     'text_people'  ''
                                         'release'  'Gruts'
                                           'title'  'Old Cups Of Tea'
                                           '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-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spoken word', 'humour', 'poetry', 'scottish', 'john peel', 'comedy']"
                                     'discogstags'  ("['non-music', 'folk, world, & country', 'dialogue', 'comedy', 'poetry', "
 "'monolog']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech'
                                             'bpm'  '140.725'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 0000015C 0000019F 00000B2D 00000D29 0000C37E 0000C37E 0000468B 00004B4C '
 '0000C37E 0000C37E')
'TALB' (Album/Movie/Show title)                     'Gruts'
'TBPM' (BPM (beats per minute))                     '140.725'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'Old Cups Of Tea'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ivor Cutler'
'TRCK' (Track number/Position in set)               '11'
'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:discogstags'                                  ['non-music',
 'folk, world, & country',
 'dialogue',
 'comedy',
 'poetry',
 'monolog']
'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'                        '+5.18 dB'
'TXXX:replaygain_track_peak'                        '0.843483'

========================== row from database ==========================
                                              'id'  941494
                                            'path'  /data/Music/Bulk/0nonmusic/Ivor Cutler/Ivor Cutler - 1986 Gruts (rough98)/11 Old Cups Of Tea.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  219
                                           'genre'  nonmusic-speech
                                        'filesize'  3509928
                                           'mtime'  1620525153
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 1986 (rough98) 11 nonmusic speech
                                      'tag_artist'  Ivor Cutler
                                     'tag_release'  Gruts
                                       'tag_title'  Old Cups Of Tea
                                             'bpm'  140.725
                                    'search_title'  'cups':2 'of':3 'old':1 'tea':4
                                   'search_artist'  'cutler':2 'ivor':1
                                  'search_release'  'gruts':1
                                     'search_rest'  '0nonmusic':1 '1986':2 'nonmusic':5 'rough98':3,4 'speech':6
                                    'search_combo'  '0nonmusic':8 '1986':9 'cups':2A 'cutler':6B 'gruts':7C 'ivor':5B 'nonmusic':12 'of':3A 'old':1A 'rough98':10,11 'speech':13 'tea':4A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  6A
                                           '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-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['spoken word', 'humour', 'poetry', 'scottish', 'john peel', 'comedy']
                                        'tag_date'  1986
                                     'discogstags'  ['non-music', 'folk, world, & country', 'dialogue', 'comedy', 'poetry', 'monolog']

============================== file details ==============================
                                           'mtime'  1620525153.147978  (2021-05-09 03:52:33)
                             'size'  3509928