======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '125'
                                          'artist'  'Improved Sound Limited'
                                     'text_people'  ''
                                         'release'  "Tape No111 - Let's Live For Today"
                                           'title'  'It Is You'
                                           '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['krautrock', 'progressive rock', 'psychedelic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '123.5'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     "Tape No111 - Let's Live For Today"
'TBPM' (BPM (beats per minute))                     '123.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'It Is You'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Improved Sound Limited'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '07'
'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:country'                                      'DE'
'TXXX:lastfmtags'                                   ['krautrock', 'progressive rock', 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '-0.99 dB'
'TXXX:replaygain_track_peak'                        '0.461891'
'TXXX:tracknum'                                     '07'

========================== row from database ==========================
                                              'id'  500112
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT111/07 - Improved Sound Limited - It Is You (1966 DE).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  125
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3022858
                                           'mtime'  1620384343
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT111 07 (1966 DE) rock gr garage;set pl garagetapes
                                      'tag_artist'  Improved Sound Limited
                                     'tag_release'  Tape No111 - Let's Live For Today
                                       'tag_title'  It Is You
                                             'bpm'  123.5
                                    'search_title'  'is':2 'it':1 'you':3
                                   'search_artist'  'improved':1 'limited':3 'sound':2
                                  'search_release'  'for':7 'let':3 'lets':5 'live':6 'no111':2 's':4 'tape':1 'today':8
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'de':8,9 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt111':5 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '1966':20,21 'blogspot':16 'com':17 'de':22,23 'for':13C 'garage':26,28 'garagetapes':15,31 'garagetapesblogspotcom':18 'gr':25 'gt111':19 'improved':4B 'is':2A 'it':1A 'let':9C 'lets':11C 'limited':6B 'live':12C 'no111':8C 'pl':30 'rock':24 's':10C 'set':27,29 'sound':5B 'tape':7C 'today':14C 'you':3A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10A
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['krautrock', 'progressive rock', 'psychedelic']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384342.6455119  (2021-05-07 12:45:42)
                             'size'  3022858