======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '270'
                                          'artist'  'Walter van Brunt'
                                     'text_people'  ''
                                         'release'  'Edison Blue Amberol  2600'
                                           'title'  "When I'm Gone You'll Soon Forget (+ Helen Clark)"
                                           '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-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1900s', 'age of steam', 'the vitamin b12', 'steam', '1910s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1915'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '140.0'
                                             'key'  '7B'
                                        '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  2600'
'TBPM' (BPM (beats per minute))                     '140.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1915-02'
'TIT2' (Title/songname/content description)         "When I'm Gone You'll Soon Forget (+ Helen Clark)"
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '270000'
'TPE1' (Lead performer(s)/Soloist(s))               'Walter van Brunt'
'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:lastfmtags'                                   ['1900s', 'age of steam', 'the vitamin b12', 'steam', '1910s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+1.56 dB'
'TXXX:replaygain_track_peak'                        '0.466170'

========================== row from database ==========================
                                              'id'  1509686
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1915/Walter van Brunt - When I_m Gone You_ll Soon Forget (+ Helen Clark) -2-1915.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  270
                                           'genre'  prerock-vocal
                                        'filesize'  5438861
                                           'mtime'  1620666235
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1915 I_m You_ll 1915 prerock vocal
                                      'tag_artist'  Walter van Brunt
                                     'tag_release'  Edison Blue Amberol  2600
                                       'tag_title'  When I'm Gone You'll Soon Forget (+ Helen Clark)
                                             'bpm'  140.0
                                    'search_title'  'clark':12,13 'forget':10 'gone':5 'helen':11 'i':2 'im':4 'll':7 'm':3 'soon':9 'when':1 'you':6 'youll':8
                                   'search_artist'  'brunt':3 'van':2 'walter':1
                                  'search_release'  '2600':4 'amberol':3 'blue':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1915':6 'country':4 'exotica':2 'i':7 'jazz':1 'll':10 'm':8 'oldies':3 'prerock':11 'vocal':12 'you':9
                                    'search_combo'  '00oldiepop':25 '1915':26 '2600':20C 'amberol':19C 'blue':18C 'brunt':16B 'clark':12A,13A 'country':24 'edison':17C 'exotica':22 'forget':10A 'gone':5A 'helen':11A 'i':2A,27 'im':4A 'jazz':21 'll':7A,30 'm':3A,28 'oldies':23 'prerock':31 'soon':9A 'van':15B 'vocal':32 'walter':14B 'when':1A 'you':6A,29 'youll':8A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           '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-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['1900s', 'age of steam', 'the vitamin b12', 'steam', '1910s']
                                        'tag_date'  1915
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666234.706489  (2021-05-10 19:03:54)
                             'size'  5438861