======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '137'
                                          'artist'  'Diamonds'
                                     'text_people'  'Joseph; Sher; Tobias'
                                         'release'  'Diamonds Collection'
                                           'title'  'Kathy-O'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', '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'  "['dance', 'jamaica', 'reggae', 'secretagent', 'ska']"
                                     'discogstags'  "['eurodance', 'electronic', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-doowop'
                                             'bpm'  '142.809'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-136 POS 16'
'COMM:ID3v1 Comment:XXX'                            '58-136 POS 16'
'TALB' (Album/Movie/Show title)                     'Diamonds Collection'
'TBPM' (BPM (beats per minute))                     '142.809'
'TCOM' (Composer)                                   'Joseph; Sher; Tobias'
'TCON' (Content type, a.k.a. Genre)                 'prerock-doowop'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Kathy-O'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Diamonds'
'TRCK' (Track number/Position in set)               '17'
'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:discogstags'                                  ['eurodance', 'electronic', 'pop']
'TXXX:lastfmtags'                                   ['dance', 'jamaica', 'reggae', 'secretagent', 'ska']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.582462'

========================== row from database ==========================
                                              'id'  1448368
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-136 - Diamonds - Kathy-O.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  137
                                           'genre'  prerock-doowop
                                        'filesize'  5486464
                                           'mtime'  1621695770
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 136 prerock doowop
                                      'tag_artist'  Diamonds
                                     'tag_release'  Diamonds Collection
                                       'tag_title'  Kathy-O
                                             'bpm'  142.809
                                    'search_title'  'kathy':1 'kathyo':3 'o':2
                                   'search_artist'  'diamonds':1
                                  'search_release'  'collection':2 'diamonds':1
                                     'search_rest'  '00oldiepop':5 '136':8 '1958':6 '58':7 'country':4 'doowop':10 'exotica':2 'jazz':1 'oldies':3 'prerock':9
                                    'search_combo'  '00oldiepop':11 '136':14 '1958':12 '58':13 'collection':6C 'country':10 'diamonds':4B,5C 'doowop':16 'exotica':8 'jazz':7 'kathy':1A 'kathyo':3A 'o':2A 'oldies':9 'prerock':15
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  10B
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'jamaica', 'reggae', 'secretagent', 'ska']
                                        'tag_date'  1958
                                     'discogstags'  ['eurodance', 'electronic', 'pop']

============================== file details ==============================
                                           'mtime'  1621695770.31722  (2021-05-22 17:02:50)
                             'size'  5486464