======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '201'
                                          'artist'  'Billy Jones & Ernest Hare'
                                     'text_people'  ''
                                         'release'  'Edison-51322 (9415)'
                                           'title'  'Me No Speak-A-Good English (1924)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['perfect', 'vaudeville', '1920s', 'all', 'acoustic era']"
                                     'discogstags'  "['novelty', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1924'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '84.210'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Edison-51322 (9415)'
'TBPM' (BPM (beats per minute))                     '84.210'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1924'
'TIT2' (Title/songname/content description)         'Me No Speak-A-Good English (1924)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '201416'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Jones & Ernest Hare'
'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:discogstags'                                  ['novelty', 'pop']
'TXXX:lastfmtags'                                   ['perfect', 'vaudeville', '1920s', 'all', 'acoustic era']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.481954'

========================== row from database ==========================
                                              'id'  1131746
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Billy Jones & Ernest Hare - Me No Speak-A-Good English 1924 Edison-51322 (9415).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  201
                                           'genre'  prerock-vocal
                                        'filesize'  2879767
                                           'mtime'  1620666346
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s and 1930s popular prerock vocal
                                      'tag_artist'  Billy Jones & Ernest Hare
                                     'tag_release'  Edison-51322 (9415)
                                       'tag_title'  Me No Speak-A-Good English (1924)
                                             'bpm'  84.21
                                    'search_title'  '1924':8,9 'a':4 'english':7 'good':5 'me':1 'no':2 'speak':3 'speakagood':6
                                   'search_artist'  'billy':1 'ernest':3 'hare':4 'jones':2
                                  'search_release'  '51322':2 '9415':4,5 'edison':1 'edison51322':3
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':8 'and':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'popular':9 'prerock':10 'vocal':11
                                    'search_combo'  '00oldiepop':23 '1920s':24 '1924':8A,9A '1930s':26 '51322':15C '9415':17C,18C 'a':4A 'and':25 'billy':10B 'country':22 'edison':14C 'edison51322':16C 'english':7A 'ernest':12B 'exotica':20 'good':5A 'hare':13B 'jazz':19 'jones':11B 'me':1A 'no':2A 'oldies':21 'popular':27 'prerock':28 'speak':3A 'speakagood':6A 'vocal':29
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['perfect', 'vaudeville', '1920s', 'all', 'acoustic era']
                                        'tag_date'  1924
                                     'discogstags'  ['novelty', 'pop']

============================== file details ==============================
                                           'mtime'  1620666346.098571  (2021-05-10 19:05:46)
                             'size'  2879767