======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '179'
                                          'artist'  'Rudy Vallee & His Connecticut Yankees'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Drunkard Song (There is A Tavern In The Town)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['old books and velvet', 'all', '30s', 'halloween', 'americana']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '115.458'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1934 and peaked at #6 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #6'
'TBPM' (BPM (beats per minute))                     '115.458'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'The Drunkard Song (There is A Tavern In The Town)'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rudy Vallee & His Connecticut Yankees'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['old books and velvet', 'all', '30s', 'halloween', 'americana']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.06 dB'
'TXXX:replaygain_track_peak'                        '0.491610'

========================== row from database ==========================
                                              'id'  1455023
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/The drunkard song (There is a tavern in the town) - Rudy Vallee and His Connecticut Yankees.mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  179
                                           'genre'  prerock-band
                                        'filesize'  1803411
                                           'mtime'  1620560317
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 drunkard song tavern in the town) and prerock band
                                      'tag_artist'  Rudy Vallee & His Connecticut Yankees
                                     'tag_release'  None
                                       'tag_title'  The Drunkard Song (There is A Tavern In The Town)
                                             'bpm'  115.458
                                    'search_title'  'a':7 'drunkard':2 'in':9 'is':6 'song':3 'tavern':8 'the':1 'there':4,5 'town':10,11
                                   'search_artist'  'connecticut':4 'his':3 'rudy':1 'vallee':2 'yankees':5
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':14 'band':16 'country':4 'drunkard':7 'exotica':2 'in':10 'jazz':1 'oldies':3 'prerock':15 'song':8 'tavern':9 'the':11 'town':12,13
                                    'search_combo'  '00oldiepop':21 '1934':22 'a':7A 'and':30 'band':32 'connecticut':15B 'country':20 'drunkard':2A,23 'exotica':18 'his':14B 'in':9A,26 'is':6A 'jazz':17 'oldies':19 'prerock':31 'rudy':12B 'song':3A,24 'tavern':8A,25 'the':1A,27 'there':4A,5A 'town':10A,11A,28,29 'vallee':13B 'yankees':16B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', '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-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['old books and velvet', 'all', '30s', 'halloween', 'americana']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560316.9432204  (2021-05-09 13:38:36)
                             'size'  1803411