======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '175'
                                          'artist'  'Rudy Vallee'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "There's A Tavern In The Town (blow Up)"
                                           'quals'  ("['Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['20s', 'jazz', '30s', 'american']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '115.2'
                                             'key'  '3A'
                                        '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))                     '115.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1934-07-02'
'TIT2' (Title/songname/content description)         "There's A Tavern In The Town (blow Up)"
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '175000'
'TPE1' (Lead performer(s)/Soloist(s))               'Rudy Vallee'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['20s', 'jazz', '30s', 'american']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.754031'

========================== row from database ==========================
                                              'id'  1469755
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Rudy Vallee - There Is A Tavern In The Town (blow up) 2-7-1934.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  175
                                           'genre'  prerock-vocal
                                        'filesize'  3576130
                                           'mtime'  1620385069
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 Is up) 2 7 1934 prerock vocal
                                      'tag_artist'  Rudy Vallee
                                     'tag_release'  None
                                       'tag_title'  There's A Tavern In The Town (blow Up)
                                             'bpm'  115.2
                                    'search_title'  'a':4 'blow':9,10 'in':6 's':2 'tavern':5 'the':7 'there':1 'theres':3 'town':8 'up':11,12
                                   'search_artist'  'rudy':1 'vallee':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1934':6 '2':10 '7':11 'country':4 'exotica':2 'is':7 'jazz':1 'oldies':3 'prerock':12 'up':8,9 'vocal':13
                                    'search_combo'  '00oldiepop':19 '1934':20 '2':24 '7':25 'a':4A 'blow':9A,10A 'country':18 'exotica':16 'in':6A 'is':21 'jazz':15 'oldies':17 'prerock':26 'rudy':13B 's':2A 'tavern':5A 'the':7A 'there':1A 'theres':3A 'town':8A 'up':11A,12A,22,23 'vallee':14B 'vocal':27
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             '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-2', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['20s', 'jazz', '30s', 'american']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385069.4677527  (2021-05-07 12:57:49)
                             'size'  3576130