======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '151'
                                          'artist'  'Al Jolson'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  'Golden Gate'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['20s', 'oldies', 'music hall', 'male vocalists', 'jazz', 'vaudeville']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '094'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '135.637'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1928 and peaked at #9 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1928 and peaked at #'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '135.637'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1928'
'TENC' (Encoded by)                                 'iTunes v2.0.4'
'TIT2' (Title/songname/content description)         'Golden Gate'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Jolson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '094'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['20s', 'oldies', 'music hall', 'male vocalists', 'jazz', 'vaudeville']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.477852'

========================== row from database ==========================
                                              'id'  978113
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_094 - Al Jolson - Golden Gate 192 S (2.31).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  151
                                           'genre'  prerock-vocal
                                        'filesize'  3641481
                                           'mtime'  1621853369
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_094 S (2.31) prerock vocal
                                      'tag_artist'  Al Jolson
                                     'tag_release'  Billboard 1928
                                       'tag_title'  Golden Gate
                                             'bpm'  135.637
                                    'search_title'  'gate':2 'golden':1
                                   'search_artist'  'al':1 'jolson':2
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '094':6 '1928':5 '2':8 '231':10 '31':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':11 's':7 'vocal':12
                                    'search_combo'  '094':12 '1928':6C,11 '2':14 '231':16 '31':15 'al':3B 'billboard':5C 'country':10 'exotica':8 'gate':2A 'golden':1A 'jazz':7 'jolson':4B 'oldies':9 'prerock':17 's':13 'vocal':18
                                    'tag_tracknum'  94
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['20s', 'oldies', 'music hall', 'male vocalists', 'jazz', 'vaudeville']
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853369.4774113  (2021-05-24 12:49:29)
                             'size'  3641481