======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '130'
                                          'artist'  'Tino Serlet & Blacks'
                                     'text_people'  ''
                                         'release'  "Tape No217 - UC175 - Shakin' All Over (Part II)"
                                           'title'  'Shaking All Over'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes;set-cover or covered'
                                             'bpm'  '92.6'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.gr/http://michaelvee.livejournal.com/'
'TALB' (Album/Movie/Show title)                     "Tape No217 - UC175 - Shakin' All Over (Part II)"
'TBPM' (BPM (beats per minute))                     '92.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes', 'set-cover or covered']
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Shaking All Over'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tino Serlet & Blacks'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'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'                                      'BE'
'TXXX:q-bass'                                       '4'
'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'                        '+18.35 dB'
'TXXX:replaygain_track_peak'                        '0.063784'
'TXXX:tracknum'                                     '15'

========================== row from database ==========================
                                              'id'  502660
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT217_UC175/15 - Tino Serlet & Blacks - Shaking All Over (1969 BE).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  130
                                           'genre'  rock-gr-garage;set-pl-garagetapes;set-cover or covered
                                        'filesize'  3220055
                                           'mtime'  1620385345
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT217_UC175 15 (1969 BE) rock gr garage;set pl garagetapes;set cover or covered
                                      'tag_artist'  Tino Serlet & Blacks
                                     'tag_release'  Tape No217 - UC175 - Shakin' All Over (Part II)
                                       'tag_title'  Shaking All Over
                                             'bpm'  92.6
                                    'search_title'  'all':2 'over':3 'shaking':1
                                   'search_artist'  'blacks':3 'serlet':2 'tino':1
                                  'search_release'  'all':6 'ii':10,11 'no217':2 'over':7 'part':8,9 'shakin':4,5 'tape':1 'uc175':3
                                     'search_rest'  '1969':7,8 'be':9,10 'blogspot':2 'com':3 'cover':22 'covered':24 'garage':13,15 'garagetapes':1,18,20 'garagetapesblogspotcom':4 'gr':12 'gt217':5 'or':23 'pl':17 'rock':11 'set':14,16,19,21 'uc175':6
                                    'search_combo'  '1969':24,25 'all':2A,12C 'be':26,27 'blacks':6B 'blogspot':19 'com':20 'cover':39 'covered':41 'garage':30,32 'garagetapes':18,35,37 'garagetapesblogspotcom':21 'gr':29 'gt217':22 'ii':16C,17C 'no217':8C 'or':40 'over':3A,13C 'part':14C,15C 'pl':34 'rock':28 'serlet':5B 'set':31,33,36,38 'shakin':10C,11C 'shaking':1A 'tape':7C 'tino':4B 'uc175':9C,23
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  12B
                                           '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-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385344.5040927  (2021-05-07 13:02:24)
                             'size'  3220055