======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '135'
                                          'artist'  'Mike Curb & The Rebelairs'
                                     'text_people'  ''
                                         'release'  "Tape No206 - I'm In Heaven"
                                           'title'  'The Rebel (Without A Cause)'
                                           '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']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '86.3'
                                             'key'  '3A'
                                        '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 No206 - I'm In Heaven"
'TBPM' (BPM (beats per minute))                     '86.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'The Rebel (Without A Cause)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mike Curb & The Rebelairs'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'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: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'                        '+17.83 dB'
'TXXX:replaygain_track_peak'                        '0.057989'
'TXXX:tracknum'                                     '17'

========================== row from database ==========================
                                              'id'  504022
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT206/17 - Mike Curb & The Rebelairs - The Rebel (Without A Cause) (1964 US) (Smash).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  135
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3451500
                                           'mtime'  1620385261
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT206 17 (1964 US) (Smash) rock gr garage;set pl garagetapes
                                      'tag_artist'  Mike Curb & The Rebelairs
                                     'tag_release'  Tape No206 - I'm In Heaven
                                       'tag_title'  The Rebel (Without A Cause)
                                             'bpm'  86.3
                                    'search_title'  'a':5 'cause':6,7 'rebel':2 'the':1 'without':3,4
                                   'search_artist'  'curb':2 'mike':1 'rebelairs':4 'the':3
                                  'search_release'  'heaven':7 'i':3 'im':5 'in':6 'm':4 'no206':2 'tape':1
                                     'search_rest'  '1964':6,7 'blogspot':2 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt206':5 'pl':18 'rock':12 'set':15,17 'smash':10,11 'us':8,9
                                    'search_combo'  '1964':24,25 'a':5A 'blogspot':20 'cause':6A,7A 'com':21 'curb':9B 'garage':32,34 'garagetapes':19,37 'garagetapesblogspotcom':22 'gr':31 'gt206':23 'heaven':18C 'i':14C 'im':16C 'in':17C 'm':15C 'mike':8B 'no206':13C 'pl':36 'rebel':2A 'rebelairs':11B 'rock':30 'set':33,35 'smash':28,29 'tape':12C 'the':1A,10B 'us':26,27 'without':3A,4A
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  3A
                                           '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'  []
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385260.5455227  (2021-05-07 13:01:00)
                             'size'  3451500