======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '171'
                                          'artist'  'Skip James'
                                     'text_people'  ''
                                         'release'  'The Complete Early Recordings'
                                           'title'  '22-20 Blues'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', 'blues', 'delta blues', 'folk', 'classic blues']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '18'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues;mi-guitar-acoustic'
                                             'bpm'  '138.607'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '1994 remaster'
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000027A 00000279 00005022 00005022 00014497 00014497 00007B87 00007B83 '
 '00001DB1 00001DB1')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007D4 000000000073A91C 00000000 003EE398 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'The Complete Early Recordings'
'TBPM' (BPM (beats per minute))                     '138.607'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-blues', 'mi-guitar-acoustic']
'TDRC' (Recording time)                             '1994'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         '22-20 Blues'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Skip James'
'TRCK' (Track number/Position in set)               '11/18'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['guitar', 'blues', 'delta blues', 'folk', 'classic blues']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.09 dB'
'TXXX:replaygain_track_peak'                        '0.568892'

========================== row from database ==========================
                                              'id'  677617
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sKIP jAMES - The Complete Early Recordings [1994 remaster]/11. Skip James - 22-20 Blues.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  171
                                           'genre'  prerock-jb-blues;mi-guitar-acoustic
                                        'filesize'  4128731
                                           'mtime'  1620573768
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sKIP jAMES [1994 remaster] 11. prerock jb blues;mi guitar acoustic
                                      'tag_artist'  Skip James
                                     'tag_release'  The Complete Early Recordings
                                       'tag_title'  22-20 Blues
                                             'bpm'  138.607
                                    'search_title'  '20':2 '22':1 '2220':3 'blues':4
                                   'search_artist'  'james':2 'skip':1
                                  'search_release'  'complete':2 'early':3 'recordings':4 'the':1
                                     'search_rest'  '11':11,12 '1994':7,8 'acoustic':20 'ames':24 'blues':15,17 'country':4 'exotica':2 'guitar':19 'j':23 'james':6 'jazz':1 'jb':14 'kip':22 'mi':16,18 'oldies':3 'prerock':13 'remaster':9,10 's':21 'skip':5
                                    'search_combo'  '11':21,22 '1994':17,18 '20':2A '22':1A '2220':3A 'acoustic':30 'ames':34 'blues':4A,25,27 'complete':8C 'country':14 'early':9C 'exotica':12 'guitar':29 'j':33 'james':6B,16 'jazz':11 'jb':24 'kip':32 'mi':26,28 'oldies':13 'prerock':23 'recordings':10C 'remaster':19,20 's':31 'skip':5B,15 'the':7C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'blues', 'delta blues', 'folk', 'classic blues']
                                        'tag_date'  1994
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620573768.375106  (2021-05-09 17:22:48)
                             'size'  4128731