======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '162'
                                          'artist'  'All Star Trio (Frank Wadsworth & G H Green & Victor Arden)'
                                     'text_people'  ''
                                         'release'  'Vocalion 14115'
                                           'title'  'Bow Wow'
                                           '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1920'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '143.721'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Sound edited by Breda4@hotmail'
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Vocalion 14115'
'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1920'
'TIT2' (Title/songname/content description)         'Bow Wow'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '162000'
'TPE1' (Lead performer(s)/Soloist(s))               'All Star Trio (Frank Wadsworth & G H Green & Victor Arden)'
'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: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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.473512'

========================== row from database ==========================
                                              'id'  1440351
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920/All Star Trio (Frank Wadsworth & G H Green & Victor Arden) - Bow Wow 09-1920.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  162
                                           'genre'  prerock-band
                                        'filesize'  3295827
                                           'mtime'  1620559658
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920 09 1920 prerock band
                                      'tag_artist'  All Star Trio (Frank Wadsworth & G H Green & Victor Arden)
                                     'tag_release'  Vocalion 14115
                                       'tag_title'  Bow Wow
                                             'bpm'  143.721
                                    'search_title'  'bow':1 'wow':2
                                   'search_artist'  'all':1 'arden':11,12 'frank':4,5 'g':7 'green':9 'h':8 'star':2 'trio':3 'victor':10 'wadsworth':6
                                  'search_release'  '14115':2 'vocalion':1
                                     'search_rest'  '00oldiepop':5 '1920':6 'band':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':21 '14115':16C '1920':22 'all':3B 'arden':13B,14B 'band':24 'bow':1A 'country':20 'exotica':18 'frank':6B,7B 'g':9B 'green':11B 'h':10B 'jazz':17 'oldies':19 'prerock':23 'star':4B 'trio':5B 'victor':12B 'vocalion':15C 'wadsworth':8B 'wow':2A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1920
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559657.9651031  (2021-05-09 13:27:37)
                             'size'  3295827