======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '149'
                                          'artist'  'The Cake'
                                     'text_people'  ''
                                         'release'  'Tape No093 - Real Girls In The Garage Land (Part XXIV)'
                                           'title'  'Extroverted Introvert'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'baroque pop', 'pop', 'girl group', 'girl groups']"
                                     'discogstags'  "['techno', 'electronic', 'minimal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '121.4'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No093 - Real Girls In The Garage Land (Part XXIV)'
'TBPM' (BPM (beats per minute))                     '121.4'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Extroverted Introvert'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Cake'
'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'                                  ['techno', 'electronic', 'minimal']
'TXXX:lastfmtags'                                   ['60s', 'baroque pop', 'pop', 'girl group', 'girl groups']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+23.29 dB'
'TXXX:replaygain_track_peak'                        '0.031920'
'TXXX:tracknum'                                     '13'

========================== row from database ==========================
                                              'id'  506746
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT093/13 - The Cake - Extroverted Introvert (1968 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  149
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3590144
                                           'mtime'  1620383935
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT093 13 (1968 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Cake
                                     'tag_release'  Tape No093 - Real Girls In The Garage Land (Part XXIV)
                                       'tag_title'  Extroverted Introvert
                                             'bpm'  121.4
                                    'search_title'  'extroverted':1 'introvert':2
                                   'search_artist'  'cake':2 'the':1
                                  'search_release'  'garage':7 'girls':4 'in':5 'land':8 'no093':2 'part':9,10 'real':3 'tape':1 'the':6 'xxiv':11,12
                                     'search_rest'  '1968':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt093':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1968':22,23 'blogspot':18 'cake':4B 'com':19 'extroverted':1A 'garage':11C,28,30 'garagetapes':17,33 'garagetapesblogspotcom':20 'girls':8C 'gr':27 'gt093':21 'in':9C 'introvert':2A 'land':12C 'no093':6C 'part':13C,14C 'pl':32 'real':7C 'rock':26 'set':29,31 'tape':5C 'the':3B,10C 'us':24,25 'xxiv':15C,16C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  7B
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'baroque pop', 'pop', 'girl group', 'girl groups']
                                        'tag_date'  1968
                                     'discogstags'  ['techno', 'electronic', 'minimal']

============================== file details ==============================
                                           'mtime'  1620383935.1485047  (2021-05-07 12:38:55)
                             'size'  3590144