======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '175'
                                          'artist'  "Oscar Med C'n"
                                     'text_people'  ''
                                         'release'  'Tape No236 - Danger'
                                           'title'  'Metro Blues'
                                           '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-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '144.4'
                                             'key'  '8B'
                                        '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 No236 - Danger'
'TBPM' (BPM (beats per minute))                     '144.4'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Metro Blues'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               "Oscar Med C'n"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'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'                                      'SE'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+25.71 dB'
'TXXX:replaygain_track_peak'                        '0.033031'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  1501327
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT236/10 - Oscar Med C_n - Metro Blues (1966 SE) (Metro Club).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  175
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4283270
                                           'mtime'  1620385446
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT236 10 C_n (1966 SE) (Metro Club) rock gr garage;set pl garagetapes
                                      'tag_artist'  Oscar Med C'n
                                     'tag_release'  Tape No236 - Danger
                                       'tag_title'  Metro Blues
                                             'bpm'  144.4
                                    'search_title'  'blues':2 'metro':1
                                   'search_artist'  'c':3 'cn':5 'med':2 'n':4 'oscar':1
                                  'search_release'  'danger':3 'no236':2 'tape':1
                                     'search_rest'  '1966':8,9 'blogspot':2 'c':6 'club':14,15 'com':3 'garage':18,20 'garagetapes':1,23 'garagetapesblogspotcom':4 'gr':17 'gt236':5 'metro':12,13 'n':7 'pl':22 'rock':16 'se':10,11 'set':19,21
                                    'search_combo'  '1966':18,19 'blogspot':12 'blues':2A 'c':5B,16 'club':24,25 'cn':7B 'com':13 'danger':10C 'garage':28,30 'garagetapes':11,33 'garagetapesblogspotcom':14 'gr':27 'gt236':15 'med':4B 'metro':1A,22,23 'n':6B,17 'no236':9C 'oscar':3B 'pl':32 'rock':26 'se':20,21 'set':29,31 'tape':8C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8B
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385446.4939435  (2021-05-07 13:04:06)
                             'size'  4283270