======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '173'
                                          'artist'  'Charlie Kunz'
                                     'text_people'  ''
                                         'release'  'Rex  8709'
                                           'title'  'Sympathy Made Me Care For You (Casani Club Orchestra v Jack Cooper) \x131-1936'
                                           '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']")
                                      'lastfmtags'  "['soundtrack', 'american', 'need to rate', 'scrobbled from vinyl', '3 stars']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1936'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '128.822'
                                             'key'  '9B'
                                        '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)                     'Rex  8709'
'TBPM' (BPM (beats per minute))                     '128.822'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1936'
'TIT2' (Title/songname/content description)         'Sympathy Made Me Care For You (Casani Club Orchestra v Jack Cooper) \x131-1936'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '173000'
'TPE1' (Lead performer(s)/Soloist(s))               'Charlie Kunz'
'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:lastfmtags'                                   ['soundtrack', 'american', 'need to rate', 'scrobbled from vinyl', '3 stars']
'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'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.463761'

========================== row from database ==========================
                                              'id'  1443724
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1936/Charlie Kunz - Sympathy Made Me Care For You (Casani Club Orchestra v Jack Cooper) –1-1936.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  173
                                           'genre'  prerock-band
                                        'filesize'  3495518
                                           'mtime'  1620560425
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop –1 prerock band
                                      'tag_artist'  Charlie Kunz
                                     'tag_release'  Rex  8709
                                       'tag_title'  Sympathy Made Me Care For You (Casani Club Orchestra v Jack Cooper) 1-1936
                                             'bpm'  128.822
                                    'search_title'  '1':15 '11936':17 '1936':16 'care':4 'casani':7,8 'club':9 'cooper':13,14 'for':5 'jack':12 'made':2 'me':3 'orchestra':10 'sympathy':1 'v':11 'you':6
                                   'search_artist'  'charlie':1 'kunz':2
                                  'search_release'  '8709':2 'rex':1
                                     'search_rest'  '00oldiepop':5 '1':6 'band':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':26 '1':15A,27 '11936':17A '1936':16A '8709':21C 'band':29 'care':4A 'casani':7A,8A 'charlie':18B 'club':9A 'cooper':13A,14A 'country':25 'exotica':23 'for':5A 'jack':12A 'jazz':22 'kunz':19B 'made':2A 'me':3A 'oldies':24 'orchestra':10A 'prerock':28 'rex':20C 'sympathy':1A 'v':11A 'you':6A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9B
                                           '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'  ['soundtrack', 'american', 'need to rate', 'scrobbled from vinyl', '3 stars']
                                        'tag_date'  1936
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560424.7836058  (2021-05-09 13:40:24)
                             'size'  3495518