======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '123'
                                          'artist'  'The Dimensions'
                                     'text_people'  ''
                                         'release'  'Tape No067 - 16 Songs About 16 Girls'
                                           'title'  'Mary Lou'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk', 'garage', 'merseybeat', '60s', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '123.8'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No067 - 16 Songs About 16 Girls'
'TBPM' (BPM (beats per minute))                     '123.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TENC' (Encoded by)                                 'http://garagetapes.blogspot.com/'
'TIT2' (Title/songname/content description)         'Mary Lou'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dimensions'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08'
'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:lastfmtags'                                   ['punk', 'garage', 'merseybeat', '60s', 'all']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+21.93 dB'
'TXXX:replaygain_track_peak'                        '0.036855'
'TXXX:tracknum'                                     '08'

========================== row from database ==========================
                                              'id'  503789
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT067/08 - The Dimensions - Mary Lou (1966 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  123
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  2963250
                                           'mtime'  1620383334
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT067 08 (1966 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Dimensions
                                     'tag_release'  Tape No067 - 16 Songs About 16 Girls
                                       'tag_title'  Mary Lou
                                             'bpm'  123.8
                                    'search_title'  'lou':2 'mary':1
                                   'search_artist'  'dimensions':2 'the':1
                                  'search_release'  'about':4 'girls':5 'no067':2 'songs':3 'tape':1
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt067':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1966':15,16 'about':8C 'blogspot':11 'com':12 'dimensions':4B 'garage':21,23 'garagetapes':10,26 'garagetapesblogspotcom':13 'girls':9C 'gr':20 'gt067':14 'lou':2A 'mary':1A 'no067':6C 'pl':25 'rock':19 'set':22,24 'songs':7C 'tape':5C 'the':3B 'us':17,18
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['punk', 'garage', 'merseybeat', '60s', 'all']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383334.2689202  (2021-05-07 12:28:54)
                             'size'  2963250