======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '319'
                                          'artist'  'Dick Powell'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Don't Say Goodnight (soundtrack ' Wonder Bar')"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', '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'  "['big band', 'jazz', '30s', 'all', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '142.2'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '142.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         "Don't Say Goodnight (soundtrack ' Wonder Bar')"
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '319000'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Powell'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['big band', 'jazz', '30s', 'all', 'oldies']
'TXXX:q-bass'                                       '1'
'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'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '0.543882'

========================== row from database ==========================
                                              'id'  1498871
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Dick Powell - Don_t Say Goodnight (soundtrack _Wonder Bar_) 1934.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  319
                                           'genre'  prerock-band
                                        'filesize'  6440001
                                           'mtime'  1620560215
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 Don_t _Wonder Bar_) 1934 prerock band
                                      'tag_artist'  Dick Powell
                                     'tag_release'  None
                                       'tag_title'  Don't Say Goodnight (soundtrack ' Wonder Bar')
                                             'bpm'  142.2
                                    'search_title'  'bar':9,10 'don':1 'dont':3 'goodnight':5 'say':4 'soundtrack':6,7 't':2 'wonder':8
                                   'search_artist'  'dick':1 'powell':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1934':6 'band':13 'bar':10,11 'country':4 'don':7 'exotica':2 'jazz':1 'oldies':3 'prerock':12 't':8 'wonder':9
                                    'search_combo'  '00oldiepop':17 '1934':18 'band':25 'bar':9A,10A,22,23 'country':16 'dick':11B 'don':1A,19 'dont':3A 'exotica':14 'goodnight':5A 'jazz':13 'oldies':15 'powell':12B 'prerock':24 'say':4A 'soundtrack':6A,7A 't':2A,20 'wonder':8A,21
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['big band', 'jazz', '30s', 'all', 'oldies']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560214.816198  (2021-05-09 13:36:54)
                             'size'  6440001