======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '143'
                                          'artist'  'Les Surfs'
                                     'text_people'  ''
                                         'release'  'Tape No164 - Be My Baby'
                                           'title'  'Tu Seras Mi Baby'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['60s', 'french', 'pop', 'madagascar', 'around the world with heinz and "
 "edith']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes;set-cover or covered'
                                             'bpm'  '130.0'
                                             '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 No164 - Be My Baby'
'TBPM' (BPM (beats per minute))                     '130.0'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes', 'set-cover or covered']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Tu Seras Mi Baby'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Les Surfs'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'MG'
'TXXX:lastfmtags'                                   ['60s', 'french', 'pop', 'madagascar', 'around the world with heinz and edith']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+23.68 dB'
'TXXX:replaygain_track_peak'                        '0.027898'
'TXXX:tracknum'                                     '11'

========================== row from database ==========================
                                              'id'  500516
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT164/11 - Les Surfs - Tu Seras Mi Baby (196 MG).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  143
                                           'genre'  rock-gr-garage;set-pl-garagetapes;set-cover or covered
                                        'filesize'  3510231
                                           'mtime'  1620384907
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT164 11 (196 MG) rock gr garage;set pl garagetapes;set cover or covered
                                      'tag_artist'  Les Surfs
                                     'tag_release'  Tape No164 - Be My Baby
                                       'tag_title'  Tu Seras Mi Baby
                                             'bpm'  130.0
                                    'search_title'  'baby':4 'mi':3 'seras':2 'tu':1
                                   'search_artist'  'les':1 'surfs':2
                                  'search_release'  'baby':5 'be':3 'my':4 'no164':2 'tape':1
                                     'search_rest'  '196':6,7 'blogspot':2 'com':3 'cover':21 'covered':23 'garage':12,14 'garagetapes':1,17,19 'garagetapesblogspotcom':4 'gr':11 'gt164':5 'mg':8,9 'or':22 'pl':16 'rock':10 'set':13,15,18,20
                                    'search_combo'  '196':17,18 'baby':4A,11C 'be':9C 'blogspot':13 'com':14 'cover':32 'covered':34 'garage':23,25 'garagetapes':12,28,30 'garagetapesblogspotcom':15 'gr':22 'gt164':16 'les':5B 'mg':19,20 'mi':3A 'my':10C 'no164':8C 'or':33 'pl':27 'rock':21 'seras':2A 'set':24,26,29,31 'surfs':6B 'tape':7C 'tu':1A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'french', 'pop', 'madagascar', 'around the world with heinz and edith']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384906.7807443  (2021-05-07 12:55:06)
                             'size'  3510231