======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '181'
                                          'artist'  'Joyride'
                                     'text_people'  ''
                                         'release'  'Tape No105 - Green Is The Colour'
                                           'title'  'The Big Bright Green Pleasure Machine'
                                           '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-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska', 'kompakt', 'you are welcome in poland', 'jazz', 'psychedelic rock']"
                                     'discogstags'  "['reggae', 'ska']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '104.8'
                                             'key'  '10A'
                                        '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))                     '104.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'The Big Bright Green Pleasure Machine'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Joyride'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'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:discogstags'                                  ['reggae', 'ska']
'TXXX:lastfmtags'                                   ['ska', 'kompakt', 'you are welcome in poland', 'jazz', 'psychedelic 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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+24.04 dB'
'TXXX:replaygain_track_peak'                        '0.026203'
'TXXX:tracknum'                                     '13'

========================== row from database ==========================
                                              'id'  503737
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT105/13 - Joyride - The Big Bright Green Pleasure Machine (1968 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  181
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4362250
                                           'mtime'  1620384225
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT105 13 (1968 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  Joyride
                                     'tag_release'  Tape No105 - Green Is The Colour
                                       'tag_title'  The Big Bright Green Pleasure Machine
                                             'bpm'  104.8
                                    'search_title'  'big':2 'bright':3 'green':4 'machine':6 'pleasure':5 'the':1
                                   'search_artist'  'joyride':1
                                  'search_release'  'colour':6 'green':3 'is':4 'no105':2 'tape':1 'the':5
                                     'search_rest'  '1968':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'  '1968':19,20 'big':2A 'blogspot':15 'bright':3A 'colour':13C 'com':16 'garage':25,27 'garagetapes':14,30 'garagetapesblogspotcom':17 'gr':24 'green':4A,10C 'gt105':18 'is':11C 'joyride':7B 'machine':6A 'no105':9C 'pl':29 'pleasure':5A 'rock':23 'set':26,28 'tape':8C 'the':1A,12C 'us':21,22
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ska', 'kompakt', 'you are welcome in poland', 'jazz', 'psychedelic rock']
                                        'tag_date'  1968
                                     'discogstags'  ['reggae', 'ska']

============================== file details ==============================
                                           'mtime'  1620384224.9207048  (2021-05-07 12:43:44)
                             'size'  4362250