======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '173'
                                          'artist'  'The Candidates'
                                     'text_people'  ''
                                         'release'  'Tape No143 - Louie Louie (Part I)'
                                           'title'  'The Candidates'
                                           '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-4', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['funk', 'irish']"
                                     'discogstags'  "['beat', 'rhythm & blues', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '89.4'
                                             '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 No143 - Louie Louie (Part I)'
'TBPM' (BPM (beats per minute))                     '89.4'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'The Candidates'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Candidates'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'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:discogstags'                                  ['beat', 'rhythm & blues', 'rock']
'TXXX:lastfmtags'                                   ['funk', 'irish']
'TXXX:other'                                        'DE'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                        '+24.49 dB'
'TXXX:replaygain_track_peak'                        '0.026679'
'TXXX:tracknum'                                     '04'

========================== row from database ==========================
                                              'id'  505449
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT143/04 - The Candidates (1966 DE).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  173
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4237170
                                           'mtime'  1620384708
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT143 04 (1966 DE) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Candidates
                                     'tag_release'  Tape No143 - Louie Louie (Part I)
                                       'tag_title'  The Candidates
                                             'bpm'  89.4
                                    'search_title'  'candidates':2 'the':1
                                   'search_artist'  'candidates':2 'the':1
                                  'search_release'  'i':6,7 'louie':3 'no143':2 'part':4,5 'tape':1
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'de':8,9 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt143':5 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '1966':17,18 'blogspot':13 'candidates':2A,4B 'com':14 'de':19,20 'garage':23,25 'garagetapes':12,28 'garagetapesblogspotcom':15 'gr':22 'gt143':16 'i':10C,11C 'louie':7C 'no143':6C 'part':8C,9C 'pl':27 'rock':21 'set':24,26 'tape':5C 'the':1A,3B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  1A
                                           '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-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['funk', 'irish']
                                        'tag_date'  1966
                                     'discogstags'  ['beat', 'rhythm & blues', 'rock']

============================== file details ==============================
                                           'mtime'  1620384708.3061545  (2021-05-07 12:51:48)
                             'size'  4237170