======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '181'
                                          'artist'  'Ella Fitzgerald'
                                     'text_people'  ''
                                         'release'  'sweets'
                                           'title'  'Chew Your Bubble Gum 1'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'female vocalists', 'jazz vocal', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '85.815'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x0f\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x0f\x00\x00')
'PRIV:PeakValue:¡s\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1s\x00\x00')
'TALB' (Album/Movie/Show title)                     'sweets'
'TBPM' (BPM (beats per minute))                     '85.815'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TIT2' (Title/songname/content description)         'Chew Your Bubble Gum 1'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ella Fitzgerald'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'female vocalists', 'jazz vocal', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.43 dB'
'TXXX:replaygain_track_peak'                        '0.451463'

========================== row from database ==========================
                                              'id'  735783
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Ella Fitzgerald -  Chew Your Bubble Gum 1.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  181
                                           'genre'  set-th-candy
                                        'filesize'  2544713
                                           'mtime'  1620343112
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country set th candy
                                      'tag_artist'  Ella Fitzgerald
                                     'tag_release'  sweets
                                       'tag_title'  Chew Your Bubble Gum 1
                                             'bpm'  85.815
                                    'search_title'  '1':5 'bubble':3 'chew':1 'gum':4 'your':2
                                   'search_artist'  'ella':1 'fitzgerald':2
                                  'search_release'  'sweets':1
                                     'search_rest'  'candy':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':5 'th':6
                                    'search_combo'  '1':5A 'bubble':3A 'candy':15 'chew':1A 'country':12 'ella':6B 'exotica':10 'fitzgerald':7B 'gum':4A 'jazz':9 'oldies':11 'set':13 'sweets':8C 'th':14 'your':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             '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-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'jazz', 'female vocalists', 'jazz vocal', 'swing']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343112.0224643  (2021-05-07 01:18:32)
                             'size'  2544713