======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '181'
                                          'artist'  'The Four Lads'
                                     'text_people'  'Al Stillman/Robert Allen'
                                         'release'  'Moments to Remember: Very Best of the Four Lads'
                                           'title'  'Enchanted Island'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal', 'pop', '50s', 'oldies', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '140.335'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-116 POS 12'
'COMM:ID3v1 Comment:XXX'                            '58-116 POS 12'
'TALB' (Album/Movie/Show title)                     'Moments to Remember: Very Best of the Four Lads'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCOM' (Composer)                                   'Al Stillman/Robert Allen'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Enchanted Island'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Four Lads'
'TPE2' (Band/orchestra/accompaniment)               'The Four Lads'
'TPUB' (Publisher)                                  'Taragon'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['vocal', 'pop', '50s', 'oldies', 'canadian']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.32 dB'
'TXXX:replaygain_track_peak'                        '0.475554'

========================== row from database ==========================
                                              'id'  1442944
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-116 - Four Lads - Enchanted Island.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  181
                                           'genre'  prerock-vocal
                                        'filesize'  7280512
                                           'mtime'  1621853361
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 116 prerock vocal
                                      'tag_artist'  The Four Lads
                                     'tag_release'  Moments to Remember: Very Best of the Four Lads
                                       'tag_title'  Enchanted Island
                                             'bpm'  140.335
                                    'search_title'  'enchanted':1 'island':2
                                   'search_artist'  'four':2 'lads':3 'the':1
                                  'search_release'  'best':6 'four':9 'lads':10 'moments':1 'of':7 'remember':3,4 'the':8 'to':2 'very':5
                                     'search_rest'  '00oldiepop':5 '116':8 '1958':6 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'vocal':10
                                    'search_combo'  '00oldiepop':20 '116':23 '1958':21 '58':22 'best':11C 'country':19 'enchanted':1A 'exotica':17 'four':4B,14C 'island':2A 'jazz':16 'lads':5B,15C 'moments':6C 'of':12C 'oldies':18 'prerock':24 'remember':8C,9C 'the':3B,13C 'to':7C 'very':10C 'vocal':25
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['vocal', 'pop', '50s', 'oldies', 'canadian']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853361.0283275  (2021-05-24 12:49:21)
                             'size'  7280512