======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '126'
                                          'artist'  'The Gremlins'
                                     'text_people'  ''
                                         'release'  'Tape No279 - Gonna Have A Party'
                                           'title'  'California Sounds'
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage', 'proto punk', 'dubstep', 'punk', '60s garage']"
                                     'discogstags'  "['funk / soul', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '142.7'
                                             '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 No279 - Gonna Have A Party'
'TBPM' (BPM (beats per minute))                     '142.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'California Sounds'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Gremlins'
'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'                                      'US'
'TXXX:discogstags'                                  ['funk / soul', 'soul']
'TXXX:lastfmtags'                                   ['garage', 'proto punk', 'dubstep', 'punk', '60s garage']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+24.77 dB'
'TXXX:replaygain_track_peak'                        '0.025793'
'TXXX:tracknum'                                     '07'

========================== row from database ==========================
                                              'id'  505696
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT279/07 - The Gremlins - California Sounds (196 US) (Dimension).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  126
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3119539
                                           'mtime'  1620385573
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT279 07 (196 US) (Dimension) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Gremlins
                                     'tag_release'  Tape No279 - Gonna Have A Party
                                       'tag_title'  California Sounds
                                             'bpm'  142.7
                                    'search_title'  'california':1 'sounds':2
                                   'search_artist'  'gremlins':2 'the':1
                                  'search_release'  'a':5 'gonna':3 'have':4 'no279':2 'party':6 'tape':1
                                     'search_rest'  '196':6,7 'blogspot':2 'com':3 'dimension':10,11 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt279':5 'pl':18 'rock':12 'set':15,17 'us':8,9
                                    'search_combo'  '196':16,17 'a':9C 'blogspot':12 'california':1A 'com':13 'dimension':20,21 'garage':24,26 'garagetapes':11,29 'garagetapesblogspotcom':14 'gonna':7C 'gr':23 'gremlins':4B 'gt279':15 'have':8C 'no279':6C 'party':10C 'pl':28 'rock':22 'set':25,27 'sounds':2A 'tape':5C 'the':3B 'us':18,19
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['garage', 'proto punk', 'dubstep', 'punk', '60s garage']
                                        'tag_date'  1965
                                     'discogstags'  ['funk / soul', 'soul']

============================== file details ==============================
                                           'mtime'  1620385572.665536  (2021-05-07 13:06:12)
                             'size'  3119539