======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '159'
                                          'artist'  'Al Bowlly & Ray Noble'
                                     'text_people'  ''
                                         'release'  'HMV B-6432, Matrix OB-5801-2'
                                           'title'  'When You Were The Girl On The Scoote'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-3', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', '30s', 'oldies', 'crooner', 'british']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1925'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '84.773'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'HMV B-6432, Matrix OB-5801-2'
'TBPM' (BPM (beats per minute))                     '84.773'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1925'
'TIT2' (Title/songname/content description)         'When You Were The Girl On The Scoote'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '159278'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Bowlly & Ray Noble'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', '30s', 'oldies', 'crooner', 'british']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.37 dB'
'TXXX:replaygain_track_peak'                        '0.708184'

========================== row from database ==========================
                                              'id'  1142167
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Al Bowlly, Ray Noble - When You Were The Girl On The Scooter 1933.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  159
                                           'genre'  prerock-vocal
                                        'filesize'  2572291
                                           'mtime'  1620666343
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s and 1930s popular Bowlly, Scooter 1933 prerock vocal
                                      'tag_artist'  Al Bowlly & Ray Noble
                                     'tag_release'  HMV B-6432, Matrix OB-5801-2
                                       'tag_title'  When You Were The Girl On The Scoote
                                             'bpm'  84.773
                                    'search_title'  'girl':5 'on':6 'scoote':7 'the':4 'were':3 'when':1 'you':2
                                   'search_artist'  'al':1 'bowlly':2 'noble':4 'ray':3
                                  'search_release'  '2':8 '5801':7 '6432':3 'b':2 'b6432':4 'hmv':1 'matrix':5 'ob':6 'ob58012':9
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':8 '1933':13 'and':7 'bowlly':10,11 'country':4 'exotica':2 'jazz':1 'oldies':3 'popular':9 'prerock':14 'scooter':12 'vocal':15
                                    'search_combo'  '00oldiepop':25 '1920s':26 '1930s':28 '1933':33 '2':19C '5801':18C '6432':14C 'al':8B 'and':27 'b':13C 'b6432':15C 'bowlly':9B,30,31 'country':24 'exotica':22 'girl':5A 'hmv':12C 'jazz':21 'matrix':16C 'noble':11B 'ob':17C 'ob58012':20C 'oldies':23 'on':6A 'popular':29 'prerock':34 'ray':10B 'scoote':7A 'scooter':32 'the':4A 'vocal':35 'were':3A 'when':1A 'you':2A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['jazz', '30s', 'oldies', 'crooner', 'british']
                                        'tag_date'  1925
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666342.6571877  (2021-05-10 19:05:42)
                             'size'  2572291