======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '126'
                                          'artist'  'Christine Pilzer'
                                     'text_people'  ''
                                         'release'  'Ultra Chicks, Vol. 1: Filles In The Garage'
                                           'title'  'Ah-Hem-Ha-Uh-Err'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
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 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ye-ye', 'french', 'female vocalists', '60s']"
                                     'discogstags'  "['garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '24'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '138.512'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000724 00000641 000067C8 000053B4 0000F30F 0000F30F 000076B6 000079BF '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007A4 000000000059034C 00000000 003062F1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '24+9EE7172997958B218CE90E8220C1496E+231110'
'TALB' (Album/Movie/Show title)                     'Ultra Chicks, Vol. 1: Filles In The Garage'
'TBPM' (BPM (beats per minute))                     '138.512'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'iTunes 9.2.1'
'TIT2' (Title/songname/content description)         'Ah-Hem-Ha-Uh-Err'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Christine Pilzer'
'TRCK' (Track number/Position in set)               '3/24'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['garage rock', 'rock']
'TXXX:lastfmtags'                                   ['ye-ye', 'french', 'female vocalists', '60s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.21 dB'
'TXXX:replaygain_track_peak'                        '0.545032'

========================== row from database ==========================
                                              'id'  765012
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/Christine Pilzer - Ah-Hem-Ha-Uh-Err.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  126
                                           'genre'  set-th-sex
                                        'filesize'  3045333
                                           'mtime'  1621630335
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy set th sex
                                      'tag_artist'  Christine Pilzer
                                     'tag_release'  Ultra Chicks, Vol. 1: Filles In The Garage
                                       'tag_title'  Ah-Hem-Ha-Uh-Err
                                             'bpm'  138.512
                                    'search_title'  'ah':1 'ahhemhauherr':6 'err':5 'ha':3 'hem':2 'uh':4
                                   'search_artist'  'christine':1 'pilzer':2
                                  'search_release'  '1':6,7 'chicks':2,3 'filles':8 'garage':11 'in':9 'the':10 'ultra':1 'vol':4,5
                                     'search_rest'  '0novelty':2 '0playlists':1 'set':5 'sex':7 'sexy':4 'th':6 'themes':3
                                    'search_combo'  '0novelty':21 '0playlists':20 '1':14C,15C 'ah':1A 'ahhemhauherr':6A 'chicks':10C,11C 'christine':7B 'err':5A 'filles':16C 'garage':19C 'ha':3A 'hem':2A 'in':17C 'pilzer':8B 'set':24 'sex':26 'sexy':23 'th':25 'the':18C 'themes':22 'uh':4A 'ultra':9C 'vol':12C,13C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['ye-ye', 'french', 'female vocalists', '60s']
                                        'tag_date'  1998
                                     'discogstags'  ['garage rock', 'rock']

============================== file details ==============================
                                           'mtime'  1621630335.182716  (2021-05-21 22:52:15)
                             'size'  3045333