======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '188'
                                          'artist'  'Henry Hall BBC Dance Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Music Goes Round And Around'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1936'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '99.5'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '99.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1936-01-07'
'TIT2' (Title/songname/content description)         'Music Goes Round And Around'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '188000'
'TPE1' (Lead performer(s)/Soloist(s))               'Henry Hall BBC Dance Orchestra'
'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'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.72 dB'
'TXXX:replaygain_track_peak'                        '0.444349'

========================== row from database ==========================
                                              'id'  1464563
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1936/Henry Hall BBC Dance Orchestra - Music Goes Round and Around 7-1-1936.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  188
                                           'genre'  prerock-band
                                        'filesize'  3923803
                                           'mtime'  1620560467
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1936 and 7 1 1936 prerock band
                                      'tag_artist'  Henry Hall BBC Dance Orchestra
                                     'tag_release'  None
                                       'tag_title'  Music Goes Round And Around
                                             'bpm'  99.5
                                    'search_title'  'and':4 'around':5 'goes':2 'music':1 'round':3
                                   'search_artist'  'bbc':3 'dance':4 'hall':2 'henry':1 'orchestra':5
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1':9 '1936':6 '7':8 'and':7 'band':11 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10
                                    'search_combo'  '00oldiepop':15 '1':19 '1936':16 '7':18 'and':4A,17 'around':5A 'band':21 'bbc':8B 'country':14 'dance':9B 'exotica':12 'goes':2A 'hall':7B 'henry':6B 'jazz':11 'music':1A 'oldies':13 'orchestra':10B 'prerock':20 'round':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8B
                                           '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-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1936
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560467.4416912  (2021-05-09 13:41:07)
                             'size'  3923803