======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '161'
                                          'artist'  'Bowlly Al & Carroll Gibbons'
                                     'text_people'  ''
                                         'release'  'Columbia CB 482'
                                           'title'  'Great big bunch of you'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1932'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '98.5'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Columbia CB 482'
'TBPM' (BPM (beats per minute))                     '98.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1932'
'TIT2' (Title/songname/content description)         'Great big bunch of you'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bowlly Al & Carroll Gibbons'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.48 dB'
'TXXX:replaygain_track_peak'                        '0.709125'

========================== row from database ==========================
                                              'id'  1463427
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Carroll Gibbons Orch, Al Bowlly - A Great Big Bunch Of You (1932).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  161
                                           'genre'  prerock-unsorted
                                        'filesize'  2600695
                                           'mtime'  1621697850
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s and 1930s popular Orch, Big Bunch Of You (1932) prerock unsorted
                                      'tag_artist'  Bowlly Al & Carroll Gibbons
                                     'tag_release'  Columbia CB 482
                                       'tag_title'  Great big bunch of you
                                             'bpm'  98.5
                                    'search_title'  'big':2 'bunch':3 'great':1 'of':4 'you':5
                                   'search_artist'  'al':2 'bowlly':1 'carroll':3 'gibbons':4
                                  'search_release'  '482':3 'cb':2 'columbia':1
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':8 '1932':16,17 'and':7 'big':12 'bunch':13 'country':4 'exotica':2 'jazz':1 'of':14 'oldies':3 'orch':10,11 'popular':9 'prerock':18 'unsorted':19 'you':15
                                    'search_combo'  '00oldiepop':17 '1920s':18 '1930s':20 '1932':28,29 '482':12C 'al':7B 'and':19 'big':2A,24 'bowlly':6B 'bunch':3A,25 'carroll':8B 'cb':11C 'columbia':10C 'country':16 'exotica':14 'gibbons':9B 'great':1A 'jazz':13 'of':4A,26 'oldies':15 'orch':22,23 'popular':21 'prerock':30 'unsorted':31 'you':5A,27
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1932
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697850.0720208  (2021-05-22 17:37:30)
                             'size'  2600695