======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '127'
                                          'artist'  'Candy Cole'
                                     'text_people'  'Sha-Boom Records'
                                         'release'  'The Girl Group Sound Vol. 4'
                                           'title'  "What's For Dessert"
                                           'quals'  ("['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                     'discogstags'  "['funk / soul', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '22'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '126.017'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009E4 000000000055FF8C 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '22+127EF62F23E556B11F23A8BE1EF8FACD+6442243'
'TALB' (Album/Movie/Show title)                     'The Girl Group Sound Vol. 4'
'TBPM' (BPM (beats per minute))                     '126.017'
'TCOM' (Composer)                                   'Sha-Boom Records'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1980'
'TENC' (Encoded by)                                 'iTunes v6.0.2'
'TIT2' (Title/songname/content description)         "What's For Dessert"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Candy Cole'
'TRCK' (Track number/Position in set)               '12/22'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'soul']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.250600'

========================== row from database ==========================
                                              'id'  1516867
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Candy Cole - What_s For Dessert.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  127
                                           'genre'  set-th-novelty
                                        'filesize'  3071538
                                           'mtime'  1620343073
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] What_s set th novelty
                                      'tag_artist'  Candy Cole
                                     'tag_release'  The Girl Group Sound Vol. 4
                                       'tag_title'  What's For Dessert
                                             'bpm'  126.017
                                    'search_title'  'dessert':5 'for':4 's':2 'what':1 'whats':3
                                   'search_artist'  'candy':1 'cole':2
                                  'search_release'  '4':7 'girl':2 'group':3 'sound':4 'the':1 'vol':5,6
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':14 'oldies':3 's':11 'set':12 'th':13 'what':10 'zimelis':5
                                    'search_combo'  '4':14C 'baby':22,23 'candy':6B 'chow':20,21 'cole':7B 'country':18 'dessert':5A 'exotica':16 'for':4A 'girl':9C 'group':10C 'jazz':15 'novelty':28 'oldies':17 's':2A,25 'set':26 'sound':11C 'th':27 'the':8C 'vol':12C,13C 'what':1A,24 'whats':3A 'zimelis':19
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1980
                                     'discogstags'  ['funk / soul', 'soul']

============================== file details ==============================
                                           'mtime'  1620343073.2237608  (2021-05-07 01:17:53)
                             'size'  3071538