======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '187'
                                          'artist'  'Hans Bund Orchester'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'm Dancin' On A Rainbow"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1933'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '144.3'
                                             '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'
'TBPM' (BPM (beats per minute))                     '144.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1933'
'TIT2' (Title/songname/content description)         "I'm Dancin' On A Rainbow"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '187000'
'TPE1' (Lead performer(s)/Soloist(s))               'Hans Bund Orchester'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.47 dB'
'TXXX:replaygain_track_peak'                        '0.626440'

========================== row from database ==========================
                                              'id'  1496551
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1933/Hans Bund Orchester - I_m Dancin_ On A Rainbow 1933.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  187
                                           'genre'  prerock-unsorted
                                        'filesize'  3786065
                                           'mtime'  1621697963
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1933 I_m Dancin_ 1933 prerock unsorted
                                      'tag_artist'  Hans Bund Orchester
                                     'tag_release'  None
                                       'tag_title'  I'm Dancin' On A Rainbow
                                             'bpm'  144.3
                                    'search_title'  'a':7 'dancin':4,5 'i':1 'im':3 'm':2 'on':6 'rainbow':8
                                   'search_artist'  'bund':2 'hans':1 'orchester':3
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1933':6 'country':4 'dancin':9 'exotica':2 'i':7 'jazz':1 'm':8 'oldies':3 'prerock':10 'unsorted':11
                                    'search_combo'  '00oldiepop':16 '1933':17 'a':7A 'bund':10B 'country':15 'dancin':4A,5A,20 'exotica':13 'hans':9B 'i':1A,18 'im':3A 'jazz':12 'm':2A,19 'oldies':14 'on':6A 'orchester':11B 'prerock':21 'rainbow':8A 'unsorted':22
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1933
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697963.393934  (2021-05-22 17:39:23)
                             'size'  3786065