======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '161'
                                          'artist'  'Kay Kyser & His Orchestra'
                                     'text_people'  ''
                                         'release'  '1920s and 1930s popular'
                                           'title'  "Hey Pop! I Don't Wanna Go To Work [1939]"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spotify', 'big band', 'jazz', '40s', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '95.935'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:CDDB Disc ID:XXX'                             '420EE116'
'COMM:Comment:XXX'                                  'Bear Family BCD 16029'
'COMM:ID3v1 Comment:XXX'                            'Bear Family BCD 16029'
'TALB' (Album/Movie/Show title)                     '1920s and 1930s popular'
'TBPM' (BPM (beats per minute))                     '95.935'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         "Hey Pop! I Don't Wanna Go To Work [1939]"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kay Kyser & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 128 Kbit/s, Mono, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['spotify', 'big band', 'jazz', '40s', 'swing']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.18 dB'
'TXXX:replaygain_track_peak'                        '0.554241'

========================== row from database ==========================
                                              'id'  1131645
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Kay Kyser and his Kollege of Musical Knowledge - Songs Of The Depression.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  161
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2606201
                                           'mtime'  1620524643
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop his Kollege of Musical Knowledge Songs Of The Depression prerock jb jazz unsorted
                                      'tag_artist'  Kay Kyser & His Orchestra
                                     'tag_release'  1920s and 1930s popular
                                       'tag_title'  Hey Pop! I Don't Wanna Go To Work [1939]
                                             'bpm'  95.935
                                    'search_title'  '1939':11,12 'don':4 'dont':6 'go':8 'hey':1 'i':3 'pop':2 't':5 'to':9 'wanna':7 'work':10
                                   'search_artist'  'his':3 'kay':1 'kyser':2 'orchestra':4
                                  'search_release'  '1920s':1 '1930s':3 'and':2 'popular':4
                                     'search_rest'  '00oldiepop':5 'country':4 'depression':13 'exotica':2 'his':6 'jazz':1 'jb':15 'knowledge':10 'kollege':7 'musical':9 'of':8 'oldies':3 'prerock':14 'songs':11 'the':12 'unsorted':16
                                    'search_combo'  '00oldiepop':25 '1920s':17C '1930s':19C '1939':11A,12A 'and':18C 'country':24 'depression':33 'don':4A 'dont':6A 'exotica':22 'go':8A 'hey':1A 'his':15B,26 'i':3A 'jazz':21 'jb':35 'kay':13B 'knowledge':30 'kollege':27 'kyser':14B 'musical':29 'of':28 'oldies':23 'orchestra':16B 'pop':2A 'popular':20C 'prerock':34 'songs':31 't':5A 'the':32 'to':9A 'unsorted':36 'wanna':7A 'work':10A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['spotify', 'big band', 'jazz', '40s', 'swing']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524643.4428093  (2021-05-09 03:44:03)
                             'size'  2606201