======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '164'
                                          'artist'  'Ted Lewis Orch'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'THE LONESOME ROAD'
                                           '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-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1930'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '88.015'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:\x0b\x11\x00\x00'                PRIV(owner='AverageLevel', data=b'\x0b\x11\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '88.015'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1930'
'TIT2' (Title/songname/content description)         'THE LONESOME ROAD'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ted Lewis Orch'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.50 dB'
'TXXX:replaygain_track_peak'                        '0.503573'

========================== row from database ==========================
                                              'id'  1526119
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/ted lewis (ted lewis vocal) - the lonesome road 1930.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  164
                                           'genre'  prerock-unsorted
                                        'filesize'  2641920
                                           'mtime'  1621698439
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection ted lewis (ted lewis vocal) the lonesome road 1930 prerock unsorted
                                      'tag_artist'  Ted Lewis Orch
                                     'tag_release'  None
                                       'tag_title'  THE LONESOME ROAD
                                             'bpm'  88.015
                                    'search_title'  'lonesome':2 'road':3 'the':1
                                   'search_artist'  'lewis':2 'orch':3 'ted':1
                                  'search_release'  
                                     'search_rest'  '1930':16 '30':5 'collection':7 'country':4 'exotica':2 'jazz':1 'lewis':9 'lonesome':14 'oldies':3 'prerock':17 'road':15 's':6 'ted':8,10 'the':13 'unsorted':18 'vocal':11,12
                                    'search_combo'  '1930':22 '30':11 'collection':13 'country':10 'exotica':8 'jazz':7 'lewis':5B,15 'lonesome':2A,20 'oldies':9 'orch':6B 'prerock':23 'road':3A,21 's':12 'ted':4B,14,16 'the':1A,19 'unsorted':24 'vocal':17,18
                                    '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-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1930
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698438.596778  (2021-05-22 17:47:18)
                             'size'  2641920