======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '176'
                                          'artist'  "Children's Ensemble Of The Moscow Union Of Drivers"
                                     'text_people'  ''
                                         'release'  "Big Ears - Fitzgerald's Manifesto"
                                           'title'  'Song About Stalin'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['russian', 'communist']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '30'
                                      'tracktotal'  '35'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor'
                                             'bpm'  '113.7'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000415 00000444 00002BC0 00002DC2 00013BEB 00013BEB 000056DE 000058B4 '
 '00013C1F 00013C1F')
'COMM:iTunes_CDDB_IDs:eng'                          '35+F604417F459430F546C283FAAFB5BA7D+5984032'
'TALB' (Album/Movie/Show title)                     "Big Ears - Fitzgerald's Manifesto"
'TBPM' (BPM (beats per minute))                     '113.7'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa', 'set-pl-mor']
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v4.9'
'TIT2' (Title/songname/content description)         'Song About Stalin'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               "Children's Ensemble Of The Moscow Union Of Drivers"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '30/35'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['russian', 'communist']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.50 dB'
'TXXX:replaygain_track_peak'                        '0.481324'

========================== row from database ==========================
                                              'id'  1530134
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Tim Steiner - Big Ears - Fitzgerald_s Manifesto/30 Children_s Ensemble Of The Moscow Union Of Drivers.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  176
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor
                                        'filesize'  5644721
                                           'mtime'  1620536775
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Tim Steiner Fitzgerald_s 30 Children_s prerock jb jazz lounge or exotica or bossa;set pl mor
                                      'tag_artist'  Children's Ensemble Of The Moscow Union Of Drivers
                                     'tag_release'  Big Ears - Fitzgerald's Manifesto
                                       'tag_title'  Song About Stalin
                                             'bpm'  113.7
                                    'search_title'  'about':2 'song':1 'stalin':3
                                   'search_artist'  'children':1 'childrens':3 'drivers':9 'ensemble':4 'moscow':7 'of':5 's':2 'the':6 'union':8
                                  'search_release'  'big':1 'ears':2 'fitzgerald':3 'fitzgeralds':5 'manifesto':6 's':4
                                     'search_rest'  '30':9 'bossa':16,18 'children':10 'country':4 'exotica':2 'fitzgerald':7 'jazz':1 'jb':13 'lounge':14 'mor':21 'oldies':3 'or':15 'pl':20 'prerock':12 's':8,11 'set':17,19 'steiner':6 'tim':5
                                    'search_combo'  '30':27 'about':2A 'big':13C 'bossa':34,36 'children':4B,28 'childrens':6B 'country':22 'drivers':12B 'ears':14C 'ensemble':7B 'exotica':20 'fitzgerald':15C,25 'fitzgeralds':17C 'jazz':19 'jb':31 'lounge':32 'manifesto':18C 'mor':39 'moscow':10B 'of':8B 'oldies':21 'or':33 'pl':38 'prerock':30 's':5B,16C,26,29 'set':35,37 'song':1A 'stalin':3A 'steiner':24 'the':9B 'tim':23 'union':11B
                                    'tag_tracknum'  30
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['russian', 'communist']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536775.0651963  (2021-05-09 07:06:15)
                             'size'  5644721