======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '162'
                                          'artist'  'Curley Rash & His South Texas Playboys'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bubble Gum Boogie'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'q-syn-1', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['rockabilly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '20'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '84.420'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['0',
 ' 00000A07 00000A07 00002D78 00002D78 0000EDC1 0000EDC1 00007B9A 00007B9A '
 '000061F5 000061F5',
 ' 00000000 00000210 00000A5C 00000000006D2A14 00000000 003B5BEC 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunes_CDDB_1:eng'                            'F40AF914+210887+20+150+11969+22541+31885+43800+55967+68289+77633+87874+99246+109370+117090+129919+140376+150588+159732+170283+180558+191086+199623'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '5'
'PRIV:AverageLevel:{\r\x00\x00'                     PRIV(owner='AverageLevel', data=b'{\r\x00\x00')
'PRIV:PeakValue:¡{\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1{\x00\x00')
'TBPM' (BPM (beats per minute))                     '84.420'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Bubble Gum Boogie'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Curley Rash & His South Texas Playboys'
'TRCK' (Track number/Position in set)               '5/20'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'rockabilly'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.04 dB'
'TXXX:replaygain_track_peak'                        '0.573580'

========================== row from database ==========================
                                              'id'  735969
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Curley Rash & His South Texas Playboys - Bubble Gum Boogie.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  162
                                           'genre'  set-th-candy
                                        'filesize'  3897299
                                           'mtime'  1620343111
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets set candy
                                      'tag_artist'  Curley Rash & His South Texas Playboys
                                     'tag_release'  None
                                       'tag_title'  Bubble Gum Boogie
                                             'bpm'  84.42
                                    'search_title'  'boogie':3 'bubble':1 'gum':2
                                   'search_artist'  'curley':1 'his':3 'playboys':6 'rash':2 'south':4 'texas':5
                                  'search_release'  
                                     'search_rest'  'candy':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':6 'sweets':5
                                    'search_combo'  'boogie':3A 'bubble':1A 'candy':16 'country':13 'curley':4B 'exotica':11 'gum':2A 'his':6B 'jazz':10 'oldies':12 'playboys':9B 'rash':5B 'set':15 'south':7B 'sweets':14 'texas':8B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343111.4416924  (2021-05-07 01:18:31)
                             'size'  3897299