======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '221'
                                          'artist'  'Washboard Rhythm Kings'
                                     'text_people'  ''
                                         'release'  'Vol 2, 1932'
                                           'title'  'The Boy in the Boat'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['all', 'jazz', 'early jazz', 'swing', 'skiffle', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '143.112'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000012C 0000012B 00000552'
'COMM:iTunNORM:eng'                                 (' 0000012C 0000012B 00000552 00000552 0002BF37 0002BF37 00003AF2 00003AA3 '
 '0001D4C0 0001D4C0')
'TALB' (Album/Movie/Show title)                     'Vol 2, 1932'
'TBPM' (BPM (beats per minute))                     '143.112'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TIT2' (Title/songname/content description)         'The Boy in the Boat'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '221309'
'TPE1' (Lead performer(s)/Soloist(s))               'Washboard Rhythm Boys'
'TPE2' (Band/orchestra/accompaniment)               'Washboard Rhythm Kings'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', 'jazz', 'early jazz', 'swing', 'skiffle', 'blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.89 dB'
'TXXX:replaygain_track_peak'                        '0.599210'

========================== row from database ==========================
                                              'id'  769714
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/Washboard Rhythm Kings - The Boy In The Boat.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  221
                                           'genre'  set-th-sex
                                        'filesize'  3554096
                                           'mtime'  1620343528
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy In set sex
                                      'tag_artist'  Washboard Rhythm Kings
                                     'tag_release'  Vol 2, 1932
                                       'tag_title'  The Boy in the Boat
                                             'bpm'  143.112
                                    'search_title'  'boat':4 'boy':2 'in':3 'the':1
                                   'search_artist'  'kings':3 'rhythm':2 'washboard':1
                                  'search_release'  '1932':4 '2':2,3 'vol':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'in':5 'set':6 'sex':7 'sexy':4 'themes':3
                                    'search_combo'  '0novelty':13 '0playlists':12 '1932':11C '2':9C,10C 'boat':4A 'boy':2A 'in':3A,16 'kings':7B 'rhythm':6B 'set':17 'sex':18 'sexy':15 'the':1A 'themes':14 'vol':8C 'washboard':5B
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['all', 'jazz', 'early jazz', 'swing', 'skiffle', 'blues']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343528.211554  (2021-05-07 01:25:28)
                             'size'  3554096