======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '196'
                                          'artist'  'Michael Jary Orchester'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Es Hat Keinen Zweck Mit Der Liebe (v - Evelyn Künneke)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '99.469'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '99.469'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1943'
'TIT2' (Title/songname/content description)         'Es Hat Keinen Zweck Mit Der Liebe (v - Evelyn Künneke)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Michael Jary Orchester'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.00 dB'
'TXXX:replaygain_track_peak'                        '0.532244'

========================== row from database ==========================
                                              'id'  1431698
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/Michael Jary Orchester - Es Hat Keinen Zweck Mit Der Liebe (v-Evelyn Künneke) 28-6-1943.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  196
                                           'genre'  prerock-band
                                        'filesize'  3927858
                                           'mtime'  1620561068
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 28 6 1943 prerock band
                                      'tag_artist'  Michael Jary Orchester
                                     'tag_release'  None
                                       'tag_title'  Es Hat Keinen Zweck Mit Der Liebe (v - Evelyn Künneke)
                                             'bpm'  99.469
                                    'search_title'  'der':6 'es':1 'evelyn':10 'hat':2 'keinen':3 'kunneke':11,12,13,14 'liebe':7 'mit':5 'v':8,9 'zweck':4
                                   'search_artist'  'jary':2 'michael':1 'orchester':3
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1943':6 '28':7 '6':8 'band':10 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9
                                    'search_combo'  '00oldiepop':22 '1943':23 '28':24 '6':25 'band':27 'country':21 'der':6A 'es':1A 'evelyn':10A 'exotica':19 'hat':2A 'jary':16B 'jazz':18 'keinen':3A 'kunneke':11A,12A,13A,14A 'liebe':7A 'michael':15B 'mit':5A 'oldies':20 'orchester':17B 'prerock':26 'v':8A,9A 'zweck':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561068.2841823  (2021-05-09 13:51:08)
                             'size'  3927858