======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '24'
                                          'artist'  'Daphne Oram'
                                     'text_people'  ''
                                         'release'  'Listen, Move & Dance Vol. 3: Electronic Sound Patterns'
                                           'title'  'Ascend + Descend Seq IV'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', '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'  ("['bbc radiophonic workshop', 'electronic', 'early electronic', "
 "'experimental', 'sound collage']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '143.7'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Listen, Move & Dance Vol. 3: Electronic Sound Patterns'
'TBPM' (BPM (beats per minute))                     '143.7'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         'Ascend + Descend Seq IV'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Daphne Oram'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['bbc radiophonic workshop',
 'electronic',
 'early electronic',
 'experimental',
 'sound collage']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'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'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.237628'

========================== row from database ==========================
                                              'id'  719443
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/daphne oram - listen, move & dance (1962)/08 - Ascend + Descend Seq IV.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  24
                                           'genre'  electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  399147
                                           'mtime'  1621698094
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm daphne oram listen, move dance (1962) 08 electronic experimental early;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Daphne Oram
                                     'tag_release'  Listen, Move & Dance Vol. 3: Electronic Sound Patterns
                                       'tag_title'  Ascend + Descend Seq IV
                                             'bpm'  143.7
                                    'search_title'  'ascend':1 'descend':2 'iv':4 'seq':3
                                   'search_artist'  'daphne':1 'oram':2
                                  'search_release'  '3':7,8 'dance':4 'electronic':9 'listen':1,2 'move':3 'patterns':11 'sound':10 'vol':5,6
                                     'search_rest'  '1962':7,8 'dance':6 'daphne':1 'early':11,13 'electronic':9 'experimental':10 'listen':3,4 'mor':20 'move':5 'oram':2 'pl':15 'set':12,14,17,19 'shirleyspinoza':16,18
                                    'search_combo'  '1962':24,25 '3':13C,14C 'ascend':1A 'dance':10C,23 'daphne':5B,18 'descend':2A 'early':28,30 'electronic':15C,26 'experimental':27 'iv':4A 'listen':7C,8C,20,21 'mor':37 'move':9C,22 'oram':6B,19 'patterns':17C 'pl':32 'seq':3A 'set':29,31,34,36 'shirleyspinoza':33,35 'sound':16C 'vol':11C,12C
                                    'tag_tracknum'  8
                                      '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-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['bbc radiophonic workshop', 'electronic', 'early electronic', 'experimental', 'sound collage']
                                        'tag_date'  1962
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621698093.7423103  (2021-05-22 17:41:33)
                             'size'  399147