======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '204'
                                          'artist'  'The Defenders'
                                     'text_people'  ''
                                         'release'  'Tape No195 - Brand New Cadillac (B-SIDE)'
                                           'title'  'Cadillac'
                                           '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'rock and roll', 'swing', 'surf rock', 'rocksteady']"
                                     'discogstags'  "['reggae', 'roots reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '127.1'
                                             'key'  '1A'
                                        '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 No195 - Brand New Cadillac (B-SIDE)'
'TBPM' (BPM (beats per minute))                     '127.1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Cadillac'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Defenders'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'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'                                      'DK'
'TXXX:discogstags'                                  ['reggae', 'roots reggae']
'TXXX:lastfmtags'                                   ['surf', 'rock and roll', 'swing', 'surf rock', 'rocksteady']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+23.90 dB'
'TXXX:replaygain_track_peak'                        '0.027745'
'TXXX:tracknum'                                     '09'

========================== row from database ==========================
                                              'id'  506609
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT195 - Brand New Cadillac/B - Side/09 - The Defenders - Cadillac (1965 DK).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  204
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4976720
                                           'mtime'  1620385177
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT195 Side 09 (1965 DK) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Defenders
                                     'tag_release'  Tape No195 - Brand New Cadillac (B-SIDE)
                                       'tag_title'  Cadillac
                                             'bpm'  127.1
                                    'search_title'  'cadillac':1
                                   'search_artist'  'defenders':2 'the':1
                                  'search_release'  'b':6 'brand':3 'bside':8 'cadillac':5 'new':4 'no195':2 'side':7 'tape':1
                                     'search_rest'  '1965':7,8 'blogspot':2 'com':3 'dk':9,10 'garage':13,15 'garagetapes':1,18 'garagetapesblogspotcom':4 'gr':12 'gt195':5 'pl':17 'rock':11 'set':14,16 'side':6
                                    'search_combo'  '1965':18,19 'b':9C 'blogspot':13 'brand':6C 'bside':11C 'cadillac':1A,8C 'com':14 'defenders':3B 'dk':20,21 'garage':24,26 'garagetapes':12,29 'garagetapesblogspotcom':15 'gr':23 'gt195':16 'new':7C 'no195':5C 'pl':28 'rock':22 'set':25,27 'side':10C,17 'tape':4C 'the':2B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  1A
                                           '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-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'rock and roll', 'swing', 'surf rock', 'rocksteady']
                                        'tag_date'  1965
                                     'discogstags'  ['reggae', 'roots reggae']

============================== file details ==============================
                                           'mtime'  1620385176.7415757  (2021-05-07 12:59:36)
                             'size'  4976720