======================== unified (from filesystem) ========================
                                         'bitrate'  '167.731'
                                        'duration'  '273'
                                          'artist'  'Dieselboy'
                                     'text_people'  ''
                                         'release'  'Substance D'
                                           'title'  'Timewarp VIP'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['drum and bass', 'drum n bass', 'jungle', 'electronic', 'dnb']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '17'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '91.062'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x00§(æ\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xa7(\xe6\x00')
'TALB' (Album/Movie/Show title)                     'Substance D'
'TBPM' (BPM (beats per minute))                     '91.062'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2008-05-06'
'TIT2' (Title/songname/content description)         'Timewarp VIP'
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Dieselboy'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Human Imprint'
'TRCK' (Track number/Position in set)               '13/17'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 3.97'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release type'                                 'Normal'
'TXXX:Rip date'                                     '2008-05-02'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['drum and bass', 'drum n bass', 'jungle', 'electronic', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.58 dB'
'TXXX:replaygain_track_peak'                        '0.397116'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.myspace.com/dieselb0y')

========================== row from database ==========================
                                              'id'  1404305
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/drumandbass/Counterstrike - Timewarp.mp3
                                         'working'  None
                                         'bitrate'  167
                                    'duration_sec'  273
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5736893
                                           'mtime'  1621697677
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat drumandbass Counterstrike electronic generic or radio dance
                                      'tag_artist'  Dieselboy
                                     'tag_release'  Substance D
                                       'tag_title'  Timewarp VIP
                                             'bpm'  91.062
                                    'search_title'  'timewarp':1 'vip':2
                                   'search_artist'  'dieselboy':1
                                  'search_release'  'd':2 'substance':1
                                     'search_rest'  '00poprockelectronic':1 'counterstrike':6 'dance':3 'drumandbass':5 'electronic':7 'generic':2 'or':8 'radio':9 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':6 'counterstrike':11 'd':5C 'dance':8 'dieselboy':3B 'drumandbass':10 'electronic':12 'generic':7 'or':13 'radio':14 'substance':4C 'timewarp':1A 'trapbeat':9 'vip':2A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['drum and bass', 'drum n bass', 'jungle', 'electronic', 'dnb']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621697677.1404166  (2021-05-22 17:34:37)
                             'size'  5736893