======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '233'
                                          'artist'  'Earl Burtnett'
                                     'text_people'  ''
                                         'release'  'Edison Blue Amberol  4472'
                                           'title'  'Leave Me With A Smile (Club De Vingt Orchestra)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', '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-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spotify', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1921'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '99.2'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Edison Blue Amberol  4472'
'TBPM' (BPM (beats per minute))                     '99.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1921-01-22'
'TIT2' (Title/songname/content description)         'Leave Me With A Smile (Club De Vingt Orchestra)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '233000'
'TPE1' (Lead performer(s)/Soloist(s))               'Earl Burtnett'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['spotify', 'all']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '-0.83 dB'
'TXXX:replaygain_track_peak'                        '0.488813'

========================== row from database ==========================
                                              'id'  1469763
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1921/Earl Burtnett - Leave Me With A Smile 22-1-1921.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  233
                                           'genre'  prerock-band
                                        'filesize'  4715625
                                           'mtime'  1620559801
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1921 22 1 1921 prerock band
                                      'tag_artist'  Earl Burtnett
                                     'tag_release'  Edison Blue Amberol  4472
                                       'tag_title'  Leave Me With A Smile (Club De Vingt Orchestra)
                                             'bpm'  99.2
                                    'search_title'  'a':4 'club':6,7 'de':8 'leave':1 'me':2 'orchestra':10,11 'smile':5 'vingt':9 'with':3
                                   'search_artist'  'burtnett':2 'earl':1
                                  'search_release'  '4472':4 'amberol':3 'blue':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1':8 '1921':6 '22':7 'band':10 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9
                                    'search_combo'  '00oldiepop':22 '1':25 '1921':23 '22':24 '4472':17C 'a':4A 'amberol':16C 'band':27 'blue':15C 'burtnett':13B 'club':6A,7A 'country':21 'de':8A 'earl':12B 'edison':14C 'exotica':19 'jazz':18 'leave':1A 'me':2A 'oldies':20 'orchestra':10A,11A 'prerock':26 'smile':5A 'vingt':9A 'with':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['spotify', 'all']
                                        'tag_date'  1921
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559800.856462  (2021-05-09 13:30:00)
                             'size'  4715625