======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '212'
                                          'artist'  'Yoko Ono'
                                     'text_people'  ''
                                         'release'  'Onobox [Disc 1]: London Jam'
                                           'title'  'Open Your Box [Alternate-Version]'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  ("['female vocalists', 'japanese', 'avantgarde pop', 'alternative', 'avant "
 "garde', 'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '18'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '115.524'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000007EA 000007B4 00007C48 0000702C 000335F0 000330BC 00007E7B 00007A58 '
 '00029D2F 00027739')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000798 00000000008EDAD8 00000000 004DB02A 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '18+274BAE862C25B56D6032BA541A06C645+511208'
'TALB' (Album/Movie/Show title)                     'Onobox [Disc 1]: London Jam'
'TBPM' (BPM (beats per minute))                     '115.524'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TDRC' (Recording time)                             '1992'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Open Your Box [Alternate-Version]'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Yoko Ono'
'TPOS' (Part of a set)                              '1/6'
'TRCK' (Track number/Position in set)               '10/18'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['female vocalists',
 'japanese',
 'avantgarde pop',
 'alternative',
 'avant garde',
 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.82 dB'
'TXXX:replaygain_track_peak'                        '0.578103'

========================== row from database ==========================
                                              'id'  761203
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/Yoko Ono - Open Your Box (alt. version).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  212
                                           'genre'  set-th-sex
                                        'filesize'  5098649
                                           'mtime'  1620343529
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy (alt. version) set th sex
                                      'tag_artist'  Yoko Ono
                                     'tag_release'  Onobox [Disc 1]: London Jam
                                       'tag_title'  Open Your Box [Alternate-Version]
                                             'bpm'  115.524
                                    'search_title'  'alternate':4 'alternateversion':6 'box':3 'open':1 'version':5 'your':2
                                   'search_artist'  'ono':2 'yoko':1
                                  'search_release'  '1':4,5 'disc':2,3 'jam':7 'london':6 'onobox':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'alt':5,6 'set':9 'sex':11 'sexy':4 'th':10 'themes':3 'version':7,8
                                    'search_combo'  '0novelty':17 '0playlists':16 '1':12C,13C 'alt':20,21 'alternate':4A 'alternateversion':6A 'box':3A 'disc':10C,11C 'jam':15C 'london':14C 'ono':8B 'onobox':9C 'open':1A 'set':24 'sex':26 'sexy':19 'th':25 'themes':18 'version':5A,22,23 'yoko':7B 'your':2A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'japanese', 'avantgarde pop', 'alternative', 'avant garde', 'experimental']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343529.0597608  (2021-05-07 01:25:29)
                             'size'  5098649