======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '134'
                                          'artist'  'The London Studio Group'
                                     'text_people'  ''
                                         'release'  'De Wolfe Compilation'
                                           'title'  'Supercharger'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'summer day', 'library']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '35'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '136.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00001373 00001373 000059FA 000059FA 00012805 00012805 00007FF3 00007FF3 '
 '00014E14 00014E14')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000087C 00000000005A92F4 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'C5119B23+338214+35+150+10245+22568+30964+48067+61097+70856+77892+88598+100636+111042+114048+123660+127712+135724+146367+169145+179264+189862+198102+207923+213010+225088+233629+245035+252213+260162+271595+285106+296799+309308+322906+328764+331343+336218'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '1'
'TALB' (Album/Movie/Show title)                     'De Wolfe Compilation'
'TBPM' (BPM (beats per minute))                     '136.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'iTunes v6.0.5'
'TIT2' (Title/songname/content description)         'Supercharger'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The London Studio Group'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1/35'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'summer day', 'library']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.425451'
'TXXX:tracknum'                                     '01'

========================== row from database ==========================
                                              'id'  1384535
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The London Studio Group Pink Sauce - VA - De Wolfe compilation 1969-71/Supercharger (The London Studio Group- -Bumper Bundle- - DWLP 3185 mono, 1971).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  134
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  5388556
                                           'mtime'  1620536408
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Pink Sauce VA compilation 1969 71 (The Bumper Bundle DWLP 3185 mono, 1971) prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  The London Studio Group
                                     'tag_release'  De Wolfe Compilation
                                       'tag_title'  Supercharger
                                             'bpm'  136.8
                                    'search_title'  'supercharger':1
                                   'search_artist'  'group':4 'london':2 'studio':3 'the':1
                                  'search_release'  'compilation':3 'de':1 'wolfe':2
                                     'search_rest'  '1969':9 '1971':19,20 '3185':16 '71':10 'bossa':25 'bumper':13 'bundle':14 'compilation':8 'country':4 'dwlp':15 'exotica':2 'jazz':1 'jb':22 'lounge':23 'mono':17,18 'oldies':3 'or':24 'pink':5 'prerock':21 'sauce':6 'the':11,12 'va':7
                                    'search_combo'  '1969':17 '1971':27,28 '3185':24 '71':18 'bossa':33 'bumper':21 'bundle':22 'compilation':8C,16 'country':12 'de':6C 'dwlp':23 'exotica':10 'group':5B 'jazz':9 'jb':30 'london':3B 'lounge':31 'mono':25,26 'oldies':11 'or':32 'pink':13 'prerock':29 'sauce':14 'studio':4B 'supercharger':1A 'the':2B,19,20 'va':15 'wolfe':7C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'summer day', 'library']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536408.4071548  (2021-05-09 07:00:08)
                             'size'  5388556