======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '123'
                                          'artist'  'The Flying Circus'
                                     'text_people'  ''
                                         'release'  'Tape No105 - Green Is The Colour'
                                           'title'  'Green Eyes Green World'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'garage rock', 'psychedelic rock', 'country', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '132.8'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No105 - Green Is The Colour'
'TBPM' (BPM (beats per minute))                     '132.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Green Eyes Green World'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Flying Circus'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'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'                                      'US'
'TXXX:lastfmtags'                                   ['rock', 'garage rock', 'psychedelic rock', 'country', '60s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+24.11 dB'
'TXXX:replaygain_track_peak'                        '0.026963'
'TXXX:tracknum'                                     '15'

========================== row from database ==========================
                                              'id'  501105
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT105/15 - The Flying Circus - Green Eyes Green World (1967 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  123
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  2969524
                                           'mtime'  1620384228
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT105 15 (1967 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Flying Circus
                                     'tag_release'  Tape No105 - Green Is The Colour
                                       'tag_title'  Green Eyes Green World
                                             'bpm'  132.8
                                    'search_title'  'eyes':2 'green':1 'world':3
                                   'search_artist'  'circus':3 'flying':2 'the':1
                                  'search_release'  'colour':6 'green':3 'is':4 'no105':2 'tape':1 'the':5
                                     'search_rest'  '1967':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt105':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1967':18,19 'blogspot':14 'circus':6B 'colour':12C 'com':15 'eyes':2A 'flying':5B 'garage':24,26 'garagetapes':13,29 'garagetapesblogspotcom':16 'gr':23 'green':1A,9C 'gt105':17 'is':10C 'no105':8C 'pl':28 'rock':22 'set':25,27 'tape':7C 'the':4B,11C 'us':20,21 'world':3A
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'garage rock', 'psychedelic rock', 'country', '60s']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384228.3316247  (2021-05-07 12:43:48)
                             'size'  2969524