======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '160'
                                          'artist'  'Fred Hartley Quintet'
                                     'text_people'  ''
                                         'release'  'Filmophone 292'
                                           'title'  'Marigold (Billy Mayerl) -2-1933 Filmophone'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1933'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '143.517'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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)                     'Filmophone 292'
'TBPM' (BPM (beats per minute))                     '143.517'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1933'
'TIT2' (Title/songname/content description)         'Marigold (Billy Mayerl) -2-1933 Filmophone'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '160000'
'TPE1' (Lead performer(s)/Soloist(s))               'Fred Hartley Quintet'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.87 dB'
'TXXX:replaygain_track_peak'                        '0.551885'

========================== row from database ==========================
                                              'id'  1453937
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1933/Fred Hartley Quintet - Marigold (Billy Mayerl) -2-1933 Filmophone.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  160
                                           'genre'  prerock-unsorted
                                        'filesize'  3263342
                                           'mtime'  1621697959
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop prerock unsorted
                                      'tag_artist'  Fred Hartley Quintet
                                     'tag_release'  Filmophone 292
                                       'tag_title'  Marigold (Billy Mayerl) -2-1933 Filmophone
                                             'bpm'  143.517
                                    'search_title'  '1933':7 '2':6 '21933':8 'billy':2,3 'filmophone':9 'marigold':1 'mayerl':4,5
                                   'search_artist'  'fred':1 'hartley':2 'quintet':3
                                  'search_release'  '292':2 'filmophone':1
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':6 'unsorted':7
                                    'search_combo'  '00oldiepop':19 '1933':7A '2':6A '21933':8A '292':14C 'billy':2A,3A 'country':18 'exotica':16 'filmophone':9A,13C 'fred':10B 'hartley':11B 'jazz':15 'marigold':1A 'mayerl':4A,5A 'oldies':17 'prerock':20 'quintet':12B 'unsorted':21
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1933
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697958.620746  (2021-05-22 17:39:18)
                             'size'  3263342