======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '153'
                                          'artist'  'The Beathovens'
                                     'text_people'  ''
                                         'release'  "Tape No069 - Let's Make A Summer"
                                           'title'  'Summer Sun'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-LOCALNESS-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-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'swedish', 'beat', 'garage rock', 'german']"
                                     'discogstags'  "['beat', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '109.5'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.com/b-side'
'TALB' (Album/Movie/Show title)                     "Tape No069 - Let's Make A Summer"
'TBPM' (BPM (beats per minute))                     '109.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Summer Sun'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beathovens'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:COUNTRY'                                      'SE'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['beat', 'rock']
'TXXX:lastfmtags'                                   ['60s', 'swedish', 'beat', 'garage rock', 'german']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+25.41 dB'
'TXXX:replaygain_track_peak'                        '0.035909'
'TXXX:tracknum'                                     '04'

========================== row from database ==========================
                                              'id'  1532626
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT069 - Let_s Make A Summer/2/04 - The Beathovens - Summer Sun (1966 SE).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  153
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3773182
                                           'mtime'  1620383377
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT069 Let_s 2 04 (1966 SE) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Beathovens
                                     'tag_release'  Tape No069 - Let's Make A Summer
                                       'tag_title'  Summer Sun
                                             'bpm'  109.5
                                    'search_title'  'summer':1 'sun':2
                                   'search_artist'  'beathovens':2 'the':1
                                  'search_release'  'a':7 'let':3 'lets':5 'make':6 'no069':2 's':4 'summer':8 'tape':1
                                     'search_rest'  '1966':9,10 '2':8 'blogspot':2 'com':3 'garage':15,17 'garagetapes':1,20 'garagetapesblogspotcom':4 'gr':14 'gt069':5 'let':6 'pl':19 'rock':13 's':7 'se':11,12 'set':16,18
                                    'search_combo'  '1966':21,22 '2':20 'a':11C 'beathovens':4B 'blogspot':14 'com':15 'garage':27,29 'garagetapes':13,32 'garagetapesblogspotcom':16 'gr':26 'gt069':17 'let':7C,18 'lets':9C 'make':10C 'no069':6C 'pl':31 'rock':25 's':8C,19 'se':23,24 'set':28,30 'summer':1A,12C 'sun':2A 'tape':5C 'the':3B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'swedish', 'beat', 'garage rock', 'german']
                                        'tag_date'  1966
                                     'discogstags'  ['beat', 'rock']

============================== file details ==============================
                                           'mtime'  1620383376.6125596  (2021-05-07 12:29:36)
                             'size'  3773182