======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '410'
                                          'artist'  'Cowboy Bebop'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Piano Black (Ian O'Brien)"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '98.120'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:J\x1b\x00\x00'                   PRIV(owner='AverageLevel', data=b'J\x1b\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '98.120'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TIT2' (Title/songname/content description)         "Piano Black (Ian O'Brien)"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cowboy Bebop'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.09 dB'
'TXXX:replaygain_track_peak'                        '0.537859'

========================== row from database ==========================
                                              'id'  1519181
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Electro Jazz/Cowboy Bebop - Piano Black (Ian O_Brien Remix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  410
                                           'genre'  soundtrack-video
                                        'filesize'  6568898
                                           'mtime'  1620331591
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Electro Jazz O_Brien Remix) soundtrack video
                                      'tag_artist'  Cowboy Bebop
                                     'tag_release'  None
                                       'tag_title'  Piano Black (Ian O'Brien)
                                             'bpm'  98.12
                                    'search_title'  'black':2 'brien':6 'ian':3,4 'o':5 'obrien':7 'piano':1
                                   'search_artist'  'bebop':2 'cowboy':1
                                  'search_release'  
                                     'search_rest'  'brien':7 'country':4 'electro':5 'exotica':2 'jazz':1 'o':6 'oldies':3 'remix':8,9 'soundtrack':10 'video':11
                                    'search_combo'  'bebop':9B 'black':2A 'brien':6A,16 'country':13 'cowboy':8B 'electro':14 'exotica':11 'ian':3A,4A 'jazz':10 'o':5A,15 'obrien':7A 'oldies':12 'piano':1A 'remix':17,18 'soundtrack':19 'video':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620331590.5546947  (2021-05-06 22:06:30)
                             'size'  6568898