======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '412'
                                          'artist'  'Preservation Hall Jazz Band'
                                     'text_people'  ''
                                         'release'  'Songs of New Orleans, Part I'
                                           'title'  'Dr. Jazz'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new orleans', 'jazz', 'jazz or blues', 'dixieland', 'jazz band']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-dixiestyle'
                                             'bpm'  '104.552'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Songs of New Orleans, Part I'
'TBPM' (BPM (beats per minute))                     '104.552'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-dixiestyle'
'TIT2' (Title/songname/content description)         'Dr. Jazz'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Preservation Hall Jazz Band'
'TPE2' (Band/orchestra/accompaniment)               'Preservation Hall Jazz Band'
'TRCK' (Track number/Position in set)               '5'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '123,193'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['new orleans', 'jazz', 'jazz or blues', 'dixieland', 'jazz band']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.17 dB'
'TXXX:replaygain_track_peak'                        '0.628821'

========================== row from database ==========================
                                              'id'  677097
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Preservation Hall/Preservation Hall Jazz Band/Songs Of New Orleans, Part I/Preservation Hall Jazz Band - Doctor Jazz.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  412
                                           'genre'  prerock-jb-jazz-o-dixiestyle
                                        'filesize'  6600503
                                           'mtime'  1620533961
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Of Doctor prerock jb jazz dixiestyle
                                      'tag_artist'  Preservation Hall Jazz Band
                                     'tag_release'  Songs of New Orleans, Part I
                                       'tag_title'  Dr. Jazz
                                             'bpm'  104.552
                                    'search_title'  'dr':1,2 'jazz':3
                                   'search_artist'  'band':4 'hall':2 'jazz':3 'preservation':1
                                  'search_release'  'i':7 'new':3 'of':2 'orleans':4,5 'part':6 'songs':1
                                     'search_rest'  'country':4 'dixiestyle':9 'doctor':6 'exotica':2 'jazz':1 'jb':8 'of':5 'oldies':3 'prerock':7
                                    'search_combo'  'band':7B 'country':18 'dixiestyle':23 'doctor':20 'dr':1A,2A 'exotica':16 'hall':5B 'i':14C 'jazz':3A,6B,15 'jb':22 'new':10C 'of':9C,19 'oldies':17 'orleans':11C,12C 'part':13C 'prerock':21 'preservation':4B 'songs':8C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['new orleans', 'jazz', 'jazz or blues', 'dixieland', 'jazz band']
                                        'tag_date'  
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620533961.0351865  (2021-05-09 06:19:21)
                             'size'  6600503