======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '155'
                                          'artist'  'Todd Rhodes'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Hog Maws And Cabbage Slaw'
                                           'quals'  ("['Q-OLDST-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-2', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['spotify', 'dirty blues', 'rhythm and blues', 'rhythm & blues', 'risque']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '20'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '145.371'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000D31 00000D4D 00003046 000033C4 0001A3E5 0001A400 00008236 00008235 '
 '00000829 00000829')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008AC 00000000006851C4 00000000 0038B800 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '2F0D4B14+255382+20+150+12833+24260+36668+47481+59646+73994+86869+99499+113439+127757+140804+151373+167171+179144+192467+206983+220240+231867+243574'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '18'
'TBPM' (BPM (beats per minute))                     '145.371'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1980'
'TENC' (Encoded by)                                 'iTunes 9.2.1'
'TIT2' (Title/songname/content description)         'Hog Maws And Cabbage Slaw'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Todd Rhodes'
'TRCK' (Track number/Position in set)               '18/20'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['spotify', 'dirty blues', 'rhythm and blues', 'rhythm & blues', 'risque']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.502639'

========================== row from database ==========================
                                              'id'  760632
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Todd Rhodes - Hog Maws And Cabbage Slaw.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  155
                                           'genre'  set-th-novelty
                                        'filesize'  3724265
                                           'mtime'  1620343100
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Todd Rhodes
                                     'tag_release'  None
                                       'tag_title'  Hog Maws And Cabbage Slaw
                                             'bpm'  145.371
                                    'search_title'  'and':3 'cabbage':4 'hog':1 'maws':2 'slaw':5
                                   'search_artist'  'rhodes':2 'todd':1
                                  'search_release'  
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':12 'oldies':3 'set':10 'th':11 'zimelis':5
                                    'search_combo'  'and':3A 'baby':15,16 'cabbage':4A 'chow':13,14 'country':11 'exotica':9 'hog':1A 'jazz':8 'maws':2A 'novelty':19 'oldies':10 'rhodes':7B 'set':17 'slaw':5A 'th':18 'todd':6B 'zimelis':12
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['spotify', 'dirty blues', 'rhythm and blues', 'rhythm & blues', 'risque']
                                        'tag_date'  1980
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620343100.2070503  (2021-05-07 01:18:20)
                             'size'  3724265