======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '106'
                                          'artist'  'The London Studio Group'
                                     'text_people'  ''
                                         'release'  'De Wolfe Compilation'
                                           'title'  'Up And Away'
                                           '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'summer day', 'library']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '35'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '116.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000AF1 00000AF1 00006B1F 00006B1F 0000440F 0000440F 00006D95 00006D95 '
 '0000921F 0000921F')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000960 000000000047E290 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'                  '14'
'TALB' (Album/Movie/Show title)                     'De Wolfe Compilation'
'TBPM' (BPM (beats per minute))                     '116.7'
'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)         'Up And Away'
'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)               '14/35'
'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'                                      '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.29 dB'
'TXXX:replaygain_track_peak'                        '0.428189'
'TXXX:tracknum'                                     '14'

========================== row from database ==========================
                                              'id'  1384140
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The London Studio Group Pink Sauce - VA - De Wolfe compilation 1969-71/Up And Away (The London Studio Group- -Pink Sauce- - DWLP 3205 mono, 1971).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  106
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  4277831
                                           'mtime'  1620536416
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Pink Sauce VA compilation 1969 71 (The Pink Sauce DWLP 3205 mono, 1971) prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  The London Studio Group
                                     'tag_release'  De Wolfe Compilation
                                       'tag_title'  Up And Away
                                             'bpm'  116.7
                                    'search_title'  'and':2 'away':3 'up':1
                                   'search_artist'  'group':4 'london':2 'studio':3 'the':1
                                  'search_release'  'compilation':3 'de':1 'wolfe':2
                                     'search_rest'  '1969':9 '1971':17,18 '3205':14 '71':10 'bossa':23 'compilation':8 'country':4 'dwlp':13 'exotica':2 'jazz':1 'jb':20 'lounge':21 'mono':15,16 'oldies':3 'or':22 'pink':5 'prerock':19 'sauce':6 'the':11,12 'va':7
                                    'search_combo'  '1969':19 '1971':27,28 '3205':24 '71':20 'and':2A 'away':3A 'bossa':33 'compilation':10C,18 'country':14 'de':8C 'dwlp':23 'exotica':12 'group':7B 'jazz':11 'jb':30 'london':5B 'lounge':31 'mono':25,26 'oldies':13 'or':32 'pink':15 'prerock':29 'sauce':16 'studio':6B 'the':4B,21,22 'up':1A 'va':17 'wolfe':9C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', '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'  1620536415.791598  (2021-05-09 07:00:15)
                             'size'  4277831