======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '154'
                                          'artist'  'The Senders'
                                     'text_people'  ''
                                         'release'  'Tape No044 - Psychotic Reaction'
                                           'title'  "Sometimes Good Guys Don't Wear White"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  '[\'garage rock\', \'rock and fucking roll\', "rock\'n\'roll", "60\'s"]'
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '121.9'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No044 - Psychotic Reaction'
'TBPM' (BPM (beats per minute))                     '121.9'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         "Sometimes Good Guys Don't Wear White"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Senders'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'TXXX:COUNTRY'                                      '- US'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['garage rock', 'rock and fucking roll', "rock'n'roll", "60's"]
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+26.00 dB'
'TXXX:replaygain_track_peak'                        '0.023611'
'TXXX:tracknum'                                     '09'

========================== row from database ==========================
                                              'id'  1513062
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT044/09 - The Senders - Sometimes Good Guys Don_t Wear White (1967 - US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  154
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3710770
                                           'mtime'  1620383095
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT044 09 Don_t (1967 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Senders
                                     'tag_release'  Tape No044 - Psychotic Reaction
                                       'tag_title'  Sometimes Good Guys Don't Wear White
                                             'bpm'  121.9
                                    'search_title'  'don':4 'dont':6 'good':2 'guys':3 'sometimes':1 't':5 'wear':7 'white':8
                                   'search_artist'  'senders':2 'the':1
                                  'search_release'  'no044':2 'psychotic':3 'reaction':4 'tape':1
                                     'search_rest'  '1967':8,9 'blogspot':2 'com':3 'don':6 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt044':5 'pl':18 'rock':12 'set':15,17 't':7 'us':10,11
                                    'search_combo'  '1967':22,23 'blogspot':16 'com':17 'don':4A,20 'dont':6A 'garage':28,30 'garagetapes':15,33 'garagetapesblogspotcom':18 'good':2A 'gr':27 'gt044':19 'guys':3A 'no044':12C 'pl':32 'psychotic':13C 'reaction':14C 'rock':26 'senders':10B 'set':29,31 'sometimes':1A 't':5A,21 'tape':11C 'the':9B 'us':24,25 'wear':7A 'white':8A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'rock and fucking roll', "rock'n'roll", "60's"]
                                        'tag_date'  1967
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620383095.4396594  (2021-05-07 12:24:55)
                             'size'  3710770