======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '210'
                                          'artist'  'The IV Bidden'
                                     'text_people'  ''
                                         'release'  "Tape No054 - Don't Send Me No Flowers (I Ain't Dead Yet)"
                                           'title'  'Sick And Lonely'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '108.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::\x00hU'                                      'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     "Tape No054 - Don't Send Me No Flowers (I Ain't Dead Yet)"
'TBPM' (BPM (beats per minute))                     '108.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Sick And Lonely'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The IV Bidden'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'TXXX:COUNTRY'                                      '(196 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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+24.10 dB'
'TXXX:replaygain_track_peak'                        '0.017743'
'TXXX:tracknum'                                     '05'

========================== row from database ==========================
                                              'id'  501016
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT054/05 - The IV Bidden - Sick And Lonely (Version) (196 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  210
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  5050368
                                           'mtime'  1620383214
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT054 (Version) (196 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The IV Bidden
                                     'tag_release'  Tape No054 - Don't Send Me No Flowers (I Ain't Dead Yet)
                                       'tag_title'  Sick And Lonely
                                             'bpm'  108.5
                                    'search_title'  'and':2 'lonely':3 'sick':1
                                   'search_artist'  'bidden':3 'iv':2 'the':1
                                  'search_release'  'ain':12 'aint':14 'dead':15 'don':3 'dont':5 'flowers':9 'i':10,11 'me':7 'no':8 'no054':2 'send':6 't':4,13 'tape':1 'yet':16,17
                                     'search_rest'  '196':8,9 'blogspot':2 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt054':5 'pl':18 'rock':12 'set':15,17 'us':10,11 'version':6,7
                                    'search_combo'  '196':31,32 'ain':18C 'aint':20C 'and':2A 'bidden':6B 'blogspot':25 'com':26 'dead':21C 'don':9C 'dont':11C 'flowers':15C 'garage':37,39 'garagetapes':24,42 'garagetapesblogspotcom':27 'gr':36 'gt054':28 'i':16C,17C 'iv':5B 'lonely':3A 'me':13C 'no':14C 'no054':8C 'pl':41 'rock':35 'send':12C 'set':38,40 'sick':1A 't':10C,19C 'tape':7C 'the':4B 'us':33,34 'version':29,30 'yet':22C,23C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383214.230381  (2021-05-07 12:26:54)
                             'size'  5050368