======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '176'
                                          'artist'  'Green Brothers'
                                     'text_people'  ''
                                         'release'  'Golden Oldies 1923'
                                           'title'  "Who's Sorry Now"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'soul', 'rhythm and blues', 'indie', 'hip-hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1923'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '91.5'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TALB' (Album/Movie/Show title)                     'Golden Oldies 1923'
'TBPM' (BPM (beats per minute))                     '91.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1923'
'TIT2' (Title/songname/content description)         "Who's Sorry Now"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Green Brothers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'soul', 'rhythm and blues', 'indie', 'hip-hop']
'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'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.57 dB'
'TXXX:replaygain_track_peak'                        '0.546596'

========================== row from database ==========================
                                              'id'  1522220
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/GOLDEN OLDIES 1923/Green Brothers - Who_s Sorry Now 28-3-1923.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  176
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3620427
                                           'mtime'  1620529533
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country GOLDEN OLDIES Who_s 28 prerock jb jazz unsorted
                                      'tag_artist'  Green Brothers
                                     'tag_release'  Golden Oldies 1923
                                       'tag_title'  Who's Sorry Now
                                             'bpm'  91.5
                                    'search_title'  'now':5 's':2 'sorry':4 'who':1 'whos':3
                                   'search_artist'  'brothers':2 'green':1
                                  'search_release'  '1923':3 'golden':1 'oldies':2
                                     'search_rest'  '28':8 'country':4 'exotica':2 'golden':5 'jazz':1 'jb':10 'oldies':3 'prerock':9 's':7 'unsorted':11 'who':6
                                    'search_combo'  '1923':10C '28':18 'brothers':7B 'country':14 'exotica':12 'golden':8C,15 'green':6B 'jazz':11 'jb':20 'now':5A 'oldies':9C,13 'prerock':19 's':2A,17 'sorry':4A 'unsorted':21 'who':1A,16 'whos':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['blues', 'soul', 'rhythm and blues', 'indie', 'hip-hop']
                                        'tag_date'  1923
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620529533.3420591  (2021-05-09 05:05:33)
                             'size'  3620427