======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '188'
                                          'artist'  'Billy Jones & Ernest Hare'
                                     'text_people'  ''
                                         'release'  'Victor-19865'
                                           'title'  "Why Aren't Yez Eatin' More Oranges (1925)"
                                           '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-1', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-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'  '1925'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '129.646'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Victor-19865'
'TBPM' (BPM (beats per minute))                     '129.646'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1925'
'TIT2' (Title/songname/content description)         "Why Aren't Yez Eatin' More Oranges (1925)"
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '187962'
'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-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'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-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.06 dB'
'TXXX:replaygain_track_peak'                        '0.481289'

========================== row from database ==========================
                                              'id'  1507615
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Billy Jones & Ernest Hare - Why Arn_t Yez Eatin_ More Oranges 1925.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  188
                                           'genre'  prerock-vocal
                                        'filesize'  3067432
                                           'mtime'  1620666347
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s and 1930s popular Arn_t Eatin_ prerock vocal
                                      'tag_artist'  Billy Jones & Ernest Hare
                                     'tag_release'  Victor-19865
                                       'tag_title'  Why Aren't Yez Eatin' More Oranges (1925)
                                             'bpm'  129.646
                                    'search_title'  '1925':10,11 'aren':2 'arent':4 'eatin':6,7 'more':8 'oranges':9 't':3 'why':1 'yez':5
                                   'search_artist'  'billy':1 'ernest':3 'hare':4 'jones':2
                                  'search_release'  '19865':2 'victor':1 'victor19865':3
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':8 'and':7 'arn':10 'country':4 'eatin':12 'exotica':2 'jazz':1 'oldies':3 'popular':9 'prerock':13 't':11 'vocal':14
                                    'search_combo'  '00oldiepop':23 '1920s':24 '1925':10A,11A '1930s':26 '19865':17C 'and':25 'aren':2A 'arent':4A 'arn':28 'billy':12B 'country':22 'eatin':6A,7A,30 'ernest':14B 'exotica':20 'hare':15B 'jazz':19 'jones':13B 'more':8A 'oldies':21 'oranges':9A 'popular':27 'prerock':31 't':3A,29 'victor':16C 'victor19865':18C 'vocal':32 'why':1A 'yez':5A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['perfect', 'vaudeville', '1920s', 'all', 'acoustic era']
                                        'tag_date'  1925
                                     'discogstags'  ['novelty', 'pop']

============================== file details ==============================
                                           'mtime'  1620666347.3629467  (2021-05-10 19:05:47)
                             'size'  3067432