======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '274'
                                          'artist'  'Grace Slick & The Great Society'
                                     'text_people'  ''
                                         'release'  'Tape No046 - Real Girls In The Garage Land - Part V'
                                           'title'  'Daydream Nightmare'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['60s', 'female vocalists', 'psychedelic rock', 'rock', 'psychedelic', "
 "'classic rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '103.5'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No046 - Real Girls In The Garage Land - Part V'
'TBPM' (BPM (beats per minute))                     '103.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Daydream Nightmare'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Grace Slick & The Great Society'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:COUNTRY'                                      'US'
'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',
 'female vocalists',
 'psychedelic rock',
 'rock',
 'psychedelic',
 'classic rock']
'TXXX:q-bass'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+26.73 dB'
'TXXX:replaygain_track_peak'                        '0.034773'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  507247
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT046/10 - Grace Slick & The Great Society - Daydream Nightmare (1966 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  274
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  6594560
                                           'mtime'  1620383142
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT046 10 (1966 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  Grace Slick & The Great Society
                                     'tag_release'  Tape No046 - Real Girls In The Garage Land - Part V
                                       'tag_title'  Daydream Nightmare
                                             'bpm'  103.5
                                    'search_title'  'daydream':1 'nightmare':2
                                   'search_artist'  'grace':1 'great':4 'slick':2 'society':5 'the':3
                                  'search_release'  'garage':7 'girls':4 'in':5 'land':8 'no046':2 'part':9 'real':3 'tape':1 'the':6 'v':10
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt046':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1966':23,24 'blogspot':19 'com':20 'daydream':1A 'garage':14C,29,31 'garagetapes':18,34 'garagetapesblogspotcom':21 'girls':11C 'gr':28 'grace':3B 'great':6B 'gt046':22 'in':12C 'land':15C 'nightmare':2A 'no046':9C 'part':16C 'pl':33 'real':10C 'rock':27 'set':30,32 'slick':4B 'society':7B 'tape':8C 'the':5B,13C 'us':25,26 'v':17C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  12B
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'female vocalists', 'psychedelic rock', 'rock', 'psychedelic', 'classic rock']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383142.4535  (2021-05-07 12:25:42)
                             'size'  6594560