======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '254'
                                          'artist'  'Terry Reid'
                                     'text_people'  ''
                                         'release'  'Tape No139 - Bang Bang'
                                           'title'  'Bang Bang'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk rock', '60s', 'rock', 'classic rock', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes;set-cover or covered'
                                             'bpm'  '92.8'
                                             'key'  '8A'
                                        '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 No139 - Bang Bang'
'TBPM' (BPM (beats per minute))                     '92.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes', 'set-cover or covered']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Bang Bang'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Terry Reid'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14'
'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'                                      'UK'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['folk rock', '60s', 'rock', 'classic rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+23.92 dB'
'TXXX:replaygain_track_peak'                        '0.026865'
'TXXX:tracknum'                                     '14'

========================== row from database ==========================
                                              'id'  502415
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT139/14 - Terry Reid - Bang Bang (1968 UK).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  254
                                           'genre'  rock-gr-garage;set-pl-garagetapes;set-cover or covered
                                        'filesize'  6205782
                                           'mtime'  1620384678
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT139 14 (1968 UK) rock gr garage;set pl garagetapes;set cover or covered
                                      'tag_artist'  Terry Reid
                                     'tag_release'  Tape No139 - Bang Bang
                                       'tag_title'  Bang Bang
                                             'bpm'  92.8
                                    'search_title'  'bang':1
                                   'search_artist'  'reid':2 'terry':1
                                  'search_release'  'bang':3 'no139':2 'tape':1
                                     'search_rest'  '1968':6,7 'blogspot':2 'com':3 'cover':21 'covered':23 'garage':12,14 'garagetapes':1,17,19 'garagetapesblogspotcom':4 'gr':11 'gt139':5 'or':22 'pl':16 'rock':10 'set':13,15,18,20 'uk':8,9
                                    'search_combo'  '1968':12,13 'bang':1A,6C 'blogspot':8 'com':9 'cover':27 'covered':29 'garage':18,20 'garagetapes':7,23,25 'garagetapesblogspotcom':10 'gr':17 'gt139':11 'no139':5C 'or':28 'pl':22 'reid':3B 'rock':16 'set':19,21,24,26 'tape':4C 'terry':2B 'uk':14,15
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  8A
                                           '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-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', '60s', 'rock', 'classic rock', 'folk', 'singer songwriter']
                                        'tag_date'  1968
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620384678.438816  (2021-05-07 12:51:18)
                             'size'  6205782