======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '126'
                                          'artist'  'Earl Sink [sic]'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Super Market (W.B., 1961; wr. Boudleaux Bryant)'
                                           'quals'  ("['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '98.983'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:Amadeus II 3.5:pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA'  PRIV(owner='Amadeus II 3.5', data=b'pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA')
'TBPM' (BPM (beats per minute))                     '98.983'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'Amadeus II'
'TIT2' (Title/songname/content description)         'Super Market (W.B., 1961; wr. Boudleaux Bryant)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Earl Sink [sic]'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'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'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.458422'

========================== row from database ==========================
                                              'id'  769350
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Earl Sink [sic] - Super Market (W.B., 1961; wr. Boudleaux Bryant).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  126
                                           'genre'  set-th-novelty
                                        'filesize'  1523845
                                           'mtime'  1620343077
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Earl Sink [sic]
                                     'tag_release'  None
                                       'tag_title'  Super Market (W.B., 1961; wr. Boudleaux Bryant)
                                             'bpm'  98.983
                                    'search_title'  '1961':6,7 'b':4 'boudleaux':10 'bryant':11,12 'market':2 'super':1 'w':3 'wb':5 'wr':8,9
                                   'search_artist'  'earl':1 'sic':3,4 'sink':2
                                  'search_release'  
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':12 'oldies':3 'set':10 'th':11 'zimelis':5
                                    'search_combo'  '1961':6A,7A 'b':4A 'baby':24,25 'boudleaux':10A 'bryant':11A,12A 'chow':22,23 'country':20 'earl':13B 'exotica':18 'jazz':17 'market':2A 'novelty':28 'oldies':19 'set':26 'sic':15B,16B 'sink':14B 'super':1A 'th':27 'w':3A 'wb':5A 'wr':8A,9A 'zimelis':21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343077.1698854  (2021-05-07 01:17:57)
                             'size'  1523845