======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '137'
                                          'artist'  'The Four Aces'
                                     'text_people'  ''
                                         'release'  'Sentimental Journey 103'
                                           'title'  'Dream'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['50s', 'pop', 'oldies', 'folk', 'the four aces']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '25'
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '92.4'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sentimental Journey 103'
'TBPM' (BPM (beats per minute))                     '92.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1954'
'TENC' (Encoded by)                                 'Sargasso For A.B.S.1940S.Mp3'
'TIT2' (Title/songname/content description)         'Dream'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Four Aces'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08/25'
'TSSE' (Software/Hardware and settings used for encoding)  'SuperTagEditor Ver 2.00ƒÀ7‰ü'
'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'                                   ['50s', 'pop', 'oldies', 'folk', 'the four aces']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.701091'

========================== row from database ==========================
                                              'id'  975456
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/sentimental journey cd103 [80k vbr]/08 - Dream - The Four Aces.mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  137
                                           'genre'  prerock-unsorted
                                        'filesize'  1377443
                                           'mtime'  1640870466
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm sentimental journey cd103 [80k vbr] 08 prerock unsorted
                                      'tag_artist'  The Four Aces
                                     'tag_release'  Sentimental Journey 103
                                       'tag_title'  Dream
                                             'bpm'  92.4
                                    'search_title'  'dream':1
                                   'search_artist'  'aces':3 'four':2 'the':1
                                  'search_release'  '103':3 'journey':2 'sentimental':1
                                     'search_rest'  '80k':4,5 'cd103':3 'journey':2 'prerock':8 'sentimental':1 'unsorted':9 'vbr':6,7
                                    'search_combo'  '103':7C '80k':11,12 'aces':4B 'cd103':10 'dream':1A 'four':3B 'journey':6C,9 'prerock':15 'sentimental':5C,8 'the':2B 'unsorted':16 'vbr':13,14
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['50s', 'pop', 'oldies', 'folk', 'the four aces']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1640870465.6493707  (2021-12-30 14:21:05)
                             'size'  1377443