======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '134'
                                          'artist'  'The Cool'
                                     'text_people'  ''
                                         'release'  'De Wolfe Compilation'
                                           'title'  'Waiting For The Summertime'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', '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-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['funk / soul', 'jazz', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '35'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '94.9'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000A53 00000A53 00007BF8 00007BF8 0000009C 0000009C 00008186 00008186 '
 '00000082 00000082')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000075C 00000000005ACA14 00000000 00000000 00000000 '
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'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'                  '17'
'TALB' (Album/Movie/Show title)                     'De Wolfe Compilation'
'TBPM' (BPM (beats per minute))                     '94.9'
'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)         'Waiting For The Summertime'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Cool'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17/35'
'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:discogstags'                                  ['funk / soul', 'jazz', 'stage & screen']
'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'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.33 dB'
'TXXX:replaygain_track_peak'                        '0.506998'
'TXXX:tracknum'                                     '17'

========================== row from database ==========================
                                              'id'  1385090
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The London Studio Group Pink Sauce - VA - De Wolfe compilation 1969-71/Waiting For The Summertime (The Cool- -Pop Sounds- - DWLP 3136 mono, 1969).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  134
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  5401096
                                           'mtime'  1620536420
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country London Studio Group Pink Sauce VA compilation 1969 71 (The Pop Sounds DWLP 3136 mono, 1969) prerock jb jazz lounge exotica bossa
                                      'tag_artist'  The Cool
                                     'tag_release'  De Wolfe Compilation
                                       'tag_title'  Waiting For The Summertime
                                             'bpm'  94.9
                                    'search_title'  'for':2 'summertime':4 'the':3 'waiting':1
                                   'search_artist'  'cool':2 'the':1
                                  'search_release'  'compilation':3 'de':1 'wolfe':2
                                     'search_rest'  '1969':12,22 '3136':19 '71':13 'bossa':26 'compilation':11 'country':4 'dwlp':18 'exotica':2 'group':7 'jazz':1 'jb':24 'london':5 'lounge':25 'mono':20,21 'oldies':3 'pink':8 'pop':16 'prerock':23 'sauce':9 'sounds':17 'studio':6 'the':14,15 'va':10
                                    'search_combo'  '1969':21,31 '3136':28 '71':22 'bossa':35 'compilation':9C,20 'cool':6B 'country':13 'de':7C 'dwlp':27 'exotica':11 'for':2A 'group':16 'jazz':10 'jb':33 'london':14 'lounge':34 'mono':29,30 'oldies':12 'pink':17 'pop':25 'prerock':32 'sauce':18 'sounds':26 'studio':15 'summertime':4A 'the':3A,5B,23,24 'va':19 'waiting':1A 'wolfe':8C
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  9B
                                           '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  ['funk / soul', 'jazz', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1620536420.2852993  (2021-05-09 07:00:20)
                             'size'  5401096