======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '231'
                                          'artist'  'Duncan Sisters'
                                     'text_people'  ''
                                         'release'  'HMV C 1093'
                                           'title'  'Bull Frog Patrol'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-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-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soul', 'funk', 'female vocalists', 'disco', 'pop']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1922'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '142.7'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'HMV C 1093'
'TBPM' (BPM (beats per minute))                     '142.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1922-10-20'
'TIT2' (Title/songname/content description)         'Bull Frog Patrol'
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '231000'
'TPE1' (Lead performer(s)/Soloist(s))               'Duncan Sisters'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['soul', 'funk', 'female vocalists', 'disco', 'pop']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.583896'

========================== row from database ==========================
                                              'id'  1470638
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1922/Duncan Sisters - Bull Frog Patrol 20-10-1922.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  231
                                           'genre'  prerock-unsorted
                                        'filesize'  4683651
                                           'mtime'  1620385584
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1922 20 1922 prerock unsorted
                                      'tag_artist'  Duncan Sisters
                                     'tag_release'  HMV C 1093
                                       'tag_title'  Bull Frog Patrol
                                             'bpm'  142.7
                                    'search_title'  'bull':1 'frog':2 'patrol':3
                                   'search_artist'  'duncan':1 'sisters':2
                                  'search_release'  '1093':3 'c':2 'hmv':1
                                     'search_rest'  '00oldiepop':5 '1922':6 '20':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':13 '1093':8C '1922':14 '20':15 'bull':1A 'c':7C 'country':12 'duncan':4B 'exotica':10 'frog':2A 'hmv':6C 'jazz':9 'oldies':11 'patrol':3A 'prerock':16 'sisters':5B 'unsorted':17
                                    '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-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['soul', 'funk', 'female vocalists', 'disco', 'pop']
                                        'tag_date'  1922
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620385584.1715746  (2021-05-07 13:06:24)
                             'size'  4683651