======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '349'
                                          'artist'  'Reginald Dixon'
                                     'text_people'  ''
                                         'release'  'Kristall 21770'
                                           'title'  'Dancing Time Medley (organ solo)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', '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'  "['need to rate', 'wurlitzer', 'organ', 'mid 20th century', 'myhitparade']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1937'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '107.0'
                                             'key'  '6A'
                                        '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)                     'Kristall 21770'
'TBPM' (BPM (beats per minute))                     '107.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1937'
'TIT2' (Title/songname/content description)         'Dancing Time Medley (organ solo)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '349000'
'TPE1' (Lead performer(s)/Soloist(s))               'Reginald Dixon'
'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'                                   ['need to rate', 'wurlitzer', 'organ', 'mid 20th century', 'myhitparade']
'TXXX:q-bass'                                       '3'
'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-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.679038'

========================== row from database ==========================
                                              'id'  1464404
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1937/Reginald Dixon - Dancing Time Medley (organ solo) 1937.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  349
                                           'genre'  prerock-unsorted
                                        'filesize'  7028819
                                           'mtime'  1621698007
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1937 1937 prerock unsorted
                                      'tag_artist'  Reginald Dixon
                                     'tag_release'  Kristall 21770
                                       'tag_title'  Dancing Time Medley (organ solo)
                                             'bpm'  107.0
                                    'search_title'  'dancing':1 'medley':3 'organ':4,5 'solo':6,7 'time':2
                                   'search_artist'  'dixon':2 'reginald':1
                                  'search_release'  '21770':2 'kristall':1
                                     'search_rest'  '00oldiepop':5 '1937':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':16 '1937':17 '21770':11C 'country':15 'dancing':1A 'dixon':9B 'exotica':13 'jazz':12 'kristall':10C 'medley':3A 'oldies':14 'organ':4A,5A 'prerock':18 'reginald':8B 'solo':6A,7A 'time':2A 'unsorted':19
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['need to rate', 'wurlitzer', 'organ', 'mid 20th century', 'myhitparade']
                                        'tag_date'  1937
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698006.939593  (2021-05-22 17:40:06)
                             'size'  7028819