======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '161'
                                          'artist'  'David Gray'
                                     'text_people'  ''
                                         'release'  'Tape No152 - Going Backwards'
                                           'title'  'Jealous Eyes'
                                           '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-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'alternative', 'rock', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes;rock-pop-indie;ifs-songwriter-rock'
                                             'bpm'  '142.8'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.gr/'
'TALB' (Album/Movie/Show title)                     'Tape No152 - Going Backwards'
'TBPM' (BPM (beats per minute))                     '142.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage',
 'set-pl-garagetapes',
 'rock-pop-indie',
 'ifs-songwriter-rock']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Jealous Eyes'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'David Gray'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'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'                                      'US'
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'alternative', 'rock', 'singer songwriter']
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+24.42 dB'
'TXXX:replaygain_track_peak'                        '0.032959'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  501754
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT152/10 - David Gray - Jealous Eyes (1968 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  161
                                           'genre'  rock-gr-garage;set-pl-garagetapes;rock-pop-indie;ifs-songwriter-rock
                                        'filesize'  3923026
                                           'mtime'  1620736327
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT152 10 (1968 US) rock gr garage;set pl garagetapes;rock pop indie;ifs songwriter rock
                                      'tag_artist'  David Gray
                                     'tag_release'  Tape No152 - Going Backwards
                                       'tag_title'  Jealous Eyes
                                             'bpm'  142.8
                                    'search_title'  'eyes':2 'jealous':1
                                   'search_artist'  'david':1 'gray':2
                                  'search_release'  'backwards':4 'going':3 'no152':2 'tape':1
                                     'search_rest'  '1968':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17,19 'garagetapesblogspotcom':4 'gr':11 'gt152':5 'ifs':23,25 'indie':22,24 'pl':16 'pop':21 'rock':10,18,20 'set':13,15 'songwriter':26 'us':8,9
                                    'search_combo'  '1968':14,15 'backwards':8C 'blogspot':10 'com':11 'david':3B 'eyes':2A 'garage':20,22 'garagetapes':9,25,27 'garagetapesblogspotcom':12 'going':7C 'gr':19 'gray':4B 'gt152':13 'ifs':31,33 'indie':30,32 'jealous':1A 'no152':6C 'pl':24 'pop':29 'rock':18,26,28 'set':21,23 'songwriter':34 'tape':5C 'us':16,17
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             '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-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'alternative', 'rock', 'singer songwriter']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736326.664094  (2021-05-11 14:32:06)
                             'size'  3923026