======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '148'
                                          'artist'  'Teddy Robin & The Playboys'
                                     'text_people'  ''
                                         'release'  'Tape No052 - Instrumental Garage - Part II'
                                           'title'  "Norman's Fancy"
                                           '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-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'hong kong', 'psychedelic rock', 'psychedelic', 'chinese']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '111.5'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM::\x00\x00\x00'                                'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No052 - Instrumental Garage - Part II'
'TBPM' (BPM (beats per minute))                     '111.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "Norman's Fancy"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Teddy Robin & The Playboys'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '02'
'TXXX:COUNTRY'                                      'HK'
'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:lastfmtags'                                   ['60s', 'hong kong', 'psychedelic rock', 'psychedelic', 'chinese']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+22.65 dB'
'TXXX:replaygain_track_peak'                        '0.031026'
'TXXX:tracknum'                                     '02'

========================== row from database ==========================
                                              'id'  1511904
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT052/02 - Teddy Robin & The Playboys - Norman_s Fancy (196 HK).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  148
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3569826
                                           'mtime'  1620383191
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT052 02 Norman_s (196 HK) rock gr garage;set pl garagetapes
                                      'tag_artist'  Teddy Robin & The Playboys
                                     'tag_release'  Tape No052 - Instrumental Garage - Part II
                                       'tag_title'  Norman's Fancy
                                             'bpm'  111.5
                                    'search_title'  'fancy':4 'norman':1 'normans':3 's':2
                                   'search_artist'  'playboys':4 'robin':2 'teddy':1 'the':3
                                  'search_release'  'garage':4 'ii':6 'instrumental':3 'no052':2 'part':5 'tape':1
                                     'search_rest'  '196':8,9 'blogspot':2 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt052':5 'hk':10,11 'norman':6 'pl':18 'rock':12 's':7 'set':15,17
                                    'search_combo'  '196':22,23 'blogspot':16 'com':17 'fancy':4A 'garage':12C,28,30 'garagetapes':15,33 'garagetapesblogspotcom':18 'gr':27 'gt052':19 'hk':24,25 'ii':14C 'instrumental':11C 'no052':10C 'norman':1A,20 'normans':3A 'part':13C 'pl':32 'playboys':8B 'robin':6B 'rock':26 's':2A,21 'set':29,31 'tape':9C 'teddy':5B 'the':7B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'hong kong', 'psychedelic rock', 'psychedelic', 'chinese']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383190.60901  (2021-05-07 12:26:30)
                             'size'  3569826