======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '154'
                                          'artist'  'The Daily Flash'
                                     'text_people'  ''
                                         'release'  "Tape No045 - Psychedelic (That's Where It's At)"
                                           'title'  'Jack Of Diamonds'
                                           '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'psychedelic rock', 'rock', 'psychedelic', '60s']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '140.0'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::\x00ga'                                      'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     "Tape No045 - Psychedelic (That's Where It's At)"
'TBPM' (BPM (beats per minute))                     '140.0'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Jack Of Diamonds'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Daily Flash'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'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', 'psychedelic rock', 'rock', 'psychedelic', '60s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+23.41 dB'
'TXXX:replaygain_track_peak'                        '0.015978'
'TXXX:tracknum'                                     '12'

========================== row from database ==========================
                                              'id'  500987
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT045/12 - The Daily Flash - Jack Of Diamonds (1966 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  154
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3700530
                                           'mtime'  1620383131
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT045 12 (1966 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Daily Flash
                                     'tag_release'  Tape No045 - Psychedelic (That's Where It's At)
                                       'tag_title'  Jack Of Diamonds
                                             'bpm'  140.0
                                    'search_title'  'diamonds':3 'jack':1 'of':2
                                   'search_artist'  'daily':2 'flash':3 'the':1
                                  'search_release'  'at':11,12 'it':8 'its':10 'no045':2 'psychedelic':3 's':5,9 'tape':1 'that':4 'thats':6 'where':7
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt045':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1966':24,25 'at':17C,18C 'blogspot':20 'com':21 'daily':5B 'diamonds':3A 'flash':6B 'garage':30,32 'garagetapes':19,35 'garagetapesblogspotcom':22 'gr':29 'gt045':23 'it':14C 'its':16C 'jack':1A 'no045':8C 'of':2A 'pl':34 'psychedelic':9C 'rock':28 's':11C,15C 'set':31,33 'tape':7C 'that':10C 'thats':12C 'the':4B 'us':26,27 'where':13C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'psychedelic rock', 'rock', 'psychedelic', '60s']
                                        'tag_date'  1966
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620383130.8970466  (2021-05-07 12:25:30)
                             'size'  3700530