======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '145'
                                          'artist'  'Freddy Martin & His Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Must We Say Goodnight (So Soon?)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'jazz', 'illstreet', 'big bands', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '141.216'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1934 and peaked at #18 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #'
'TBPM' (BPM (beats per minute))                     '141.216'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Must We Say Goodnight (So Soon?)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Freddy Martin & His Orchestra'
'TRCK' (Track number/Position in set)               '10'
'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:lastfmtags'                                   ['all', 'jazz', 'illstreet', 'big bands', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.508632'

========================== row from database ==========================
                                              'id'  1455613
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Must we say goodnight (So soon) - Freddy Martin and his orchestra (vocal by Elmer Feldkamp).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  145
                                           'genre'  prerock-swing
                                        'filesize'  2338816
                                           'mtime'  1620560545
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 we say goodnight soon) and his orchestra (vocal by Elmer Feldkamp) prerock swing
                                      'tag_artist'  Freddy Martin & His Orchestra
                                     'tag_release'  None
                                       'tag_title'  Must We Say Goodnight (So Soon?)
                                             'bpm'  141.216
                                    'search_title'  'goodnight':4 'must':1 'say':3 'so':5,6 'soon':7,8 'we':2
                                   'search_artist'  'freddy':1 'his':3 'martin':2 'orchestra':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':12 'by':17 'country':4 'elmer':18 'exotica':2 'feldkamp':19,20 'goodnight':9 'his':13 'jazz':1 'oldies':3 'orchestra':14 'prerock':21 'say':8 'soon':10,11 'swing':22 'vocal':15,16 'we':7
                                    'search_combo'  '00oldiepop':17 '1934':18 'and':24 'by':29 'country':16 'elmer':30 'exotica':14 'feldkamp':31,32 'freddy':9B 'goodnight':4A,21 'his':11B,25 'jazz':13 'martin':10B 'must':1A 'oldies':15 'orchestra':12B,26 'prerock':33 'say':3A,20 'so':5A,6A 'soon':7A,8A,22,23 'swing':34 'vocal':27,28 'we':2A,19
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['all', 'jazz', 'illstreet', 'big bands', 'swing']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560545.1745996  (2021-05-09 13:42:25)
                             'size'  2338816