======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '391'
                                          'artist'  'Willy Berking'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Heiter Und Beschwingt Medley'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ortsa swing', 'edhits', 'myhitparade', 'deutsche schlager', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1941'
                                        'comments'  ''
                                           'genre'  'loc-eur-germany'
                                             'bpm'  '92.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           "Sound edited from 78's by Breda4@hotmail.com"
'COMM:MusicMatch_Tempo:eng'                         'None'
'TBPM' (BPM (beats per minute))                     '92.9'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-germany'
'TDRC' (Recording time)                             '1941-06'
'TIT2' (Title/songname/content description)         'Heiter Und Beschwingt Medley'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '391000'
'TPE1' (Lead performer(s)/Soloist(s))               'Willy Berking'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['ortsa swing', 'edhits', 'myhitparade', 'deutsche schlager', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.82 dB'
'TXXX:replaygain_track_peak'                        '0.645188'

========================== row from database ==========================
                                              'id'  1475334
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1941/Willy Berking - Heiter Und Beschwingt Medley -6-1941.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  391
                                           'genre'  loc-eur-germany
                                        'filesize'  7890025
                                           'mtime'  1621627538
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1941 6 1941 loc eur germany
                                      'tag_artist'  Willy Berking
                                     'tag_release'  None
                                       'tag_title'  Heiter Und Beschwingt Medley
                                             'bpm'  92.9
                                    'search_title'  'beschwingt':3 'heiter':1 'medley':4 'und':2
                                   'search_artist'  'berking':2 'willy':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1941':6 '6':7 'country':4 'eur':9 'exotica':2 'germany':10 'jazz':1 'loc':8 'oldies':3
                                    'search_combo'  '00oldiepop':11 '1941':12 '6':13 'berking':6B 'beschwingt':3A 'country':10 'eur':15 'exotica':8 'germany':16 'heiter':1A 'jazz':7 'loc':14 'medley':4A 'oldies':9 'und':2A 'willy':5B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ortsa swing', 'edhits', 'myhitparade', 'deutsche schlager', 'swing']
                                        'tag_date'  1941
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627538.1111584  (2021-05-21 22:05:38)
                             'size'  7890025