======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '205'
                                          'artist'  'John Steel'
                                     'text_people'  ''
                                         'release'  'Victor-18676'
                                           'title'  'The Love Nest (1920)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['like a melody', 'irish', 'tenor', 'all', 'heavy metal']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1920'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '141.909'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:\x06\x0e\x00\x00'                PRIV(owner='AverageLevel', data=b'\x06\x0e\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Victor-18676'
'TBPM' (BPM (beats per minute))                     '141.909'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1920'
'TIT2' (Title/songname/content description)         'The Love Nest (1920)'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '204970'
'TPE1' (Lead performer(s)/Soloist(s))               'John Steel'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['like a melody', 'irish', 'tenor', 'all', 'heavy metal']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.14 dB'
'TXXX:replaygain_track_peak'                        '0.598547'

========================== row from database ==========================
                                              'id'  1134707
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/John Steel - The Love Nest 1920 Victor-78 RPM.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  205
                                           'genre'  prerock-unsorted
                                        'filesize'  3342585
                                           'mtime'  1621627110
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s and 1930s popular 78 RPM prerock unsorted
                                      'tag_artist'  John Steel
                                     'tag_release'  Victor-18676
                                       'tag_title'  The Love Nest (1920)
                                             'bpm'  141.909
                                    'search_title'  '1920':4,5 'love':2 'nest':3 'the':1
                                   'search_artist'  'john':1 'steel':2
                                  'search_release'  '18676':2 'victor':1 'victor18676':3
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':8 '78':10 'and':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'popular':9 'prerock':12 'rpm':11 'unsorted':13
                                    'search_combo'  '00oldiepop':15 '18676':9C '1920':4A,5A '1920s':16 '1930s':18 '78':20 'and':17 'country':14 'exotica':12 'jazz':11 'john':6B 'love':2A 'nest':3A 'oldies':13 'popular':19 'prerock':22 'rpm':21 'steel':7B 'the':1A 'unsorted':23 'victor':8C 'victor18676':10C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['like a melody', 'irish', 'tenor', 'all', 'heavy metal']
                                        'tag_date'  1920
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1621627110.0577838  (2021-05-21 21:58:30)
                             'size'  3342585