======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '186'
                                          'artist'  'Teresa Brewer'
                                     'text_people'  ''
                                         'release'  'London 30100      '
                                           'title'  "Choo'n Gum                    "
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', 'jazz', 'female vocalists', '50s', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '125.006'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:{\x04\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x04\x00\x00')
'PRIV:PeakValue:!\x00\x00\x00'                      PRIV(owner='PeakValue', data=b'!\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'London 30100      '
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1950'
'TIT2' (Title/songname/content description)         "Choo'n Gum                    "
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '186000'
'TPE1' (Lead performer(s)/Soloist(s))               'Teresa Brewer'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'jazz', 'female vocalists', '50s', 'oldies']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.17 dB'
'TXXX:replaygain_track_peak'                        '0.518326'

========================== row from database ==========================
                                              'id'  1514874
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Teresa Brewer- Chooin_ Gum.mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  186
                                           'genre'  set-th-candy
                                        'filesize'  1900093
                                           'mtime'  1620343125
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets Chooin_ set th candy
                                      'tag_artist'  Teresa Brewer
                                     'tag_release'  London 30100      
                                       'tag_title'  Choo'n Gum                    
                                             'bpm'  125.006
                                    'search_title'  'choo':1 'choon':3 'gum':4 'n':2
                                   'search_artist'  'brewer':2 'teresa':1
                                  'search_release'  '30100':2 'london':1
                                     'search_rest'  'candy':9 'chooin':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':7 'sweets':5 'th':8
                                    'search_combo'  '30100':8C 'brewer':6B 'candy':17 'choo':1A 'chooin':14 'choon':3A 'country':12 'exotica':10 'gum':4A 'jazz':9 'london':7C 'n':2A 'oldies':11 'set':15 'sweets':13 'teresa':5B 'th':16
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'jazz', 'female vocalists', '50s', 'oldies']
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343124.773808  (2021-05-07 01:18:44)
                             'size'  1900093