======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '122'
                                          'artist'  'The Downliners Sect'
                                     'text_people'  ''
                                         'release'  'Tape No140 - Dance To The Bo Diddley Rhythm (Part II)'
                                           'title'  'Sect Appeal'
                                           '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'psychedelic rock', '60s', 'garage', 'freakbeat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '144.1'
                                             'key'  '10B'
                                        '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 No140 - Dance To The Bo Diddley Rhythm (Part II)'
'TBPM' (BPM (beats per minute))                     '144.1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'Sect Appeal'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Downliners Sect'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '02'
'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:lastfmtags'                                   ['garage rock', 'psychedelic rock', '60s', 'garage', 'freakbeat']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+24.21 dB'
'TXXX:replaygain_track_peak'                        '0.016944'
'TXXX:tracknum'                                     '02'

========================== row from database ==========================
                                              'id'  506607
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT140/02 - The Downliners Sect - Sect Appeal (1964 UK).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  122
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  2996399
                                           'mtime'  1620384679
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT140 02 (1964 UK) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Downliners Sect
                                     'tag_release'  Tape No140 - Dance To The Bo Diddley Rhythm (Part II)
                                       'tag_title'  Sect Appeal
                                             'bpm'  144.1
                                    'search_title'  'appeal':2 'sect':1
                                   'search_artist'  'downliners':2 'sect':3 'the':1
                                  'search_release'  'bo':6 'dance':3 'diddley':7 'ii':11,12 'no140':2 'part':9,10 'rhythm':8 'tape':1 'the':5 'to':4
                                     'search_rest'  '1964':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt140':5 'pl':16 'rock':10 'set':13,15 'uk':8,9
                                    'search_combo'  '1964':23,24 'appeal':2A 'blogspot':19 'bo':11C 'com':20 'dance':8C 'diddley':12C 'downliners':4B 'garage':29,31 'garagetapes':18,34 'garagetapesblogspotcom':21 'gr':28 'gt140':22 'ii':16C,17C 'no140':7C 'part':14C,15C 'pl':33 'rhythm':13C 'rock':27 'sect':1A,5B 'set':30,32 'tape':6C 'the':3B,10C 'to':9C 'uk':25,26
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'psychedelic rock', '60s', 'garage', 'freakbeat']
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384679.1659327  (2021-05-07 12:51:19)
                             'size'  2996399