======================== unified (from filesystem) ========================
                                         'bitrate'  '140.614'
                                        'duration'  '161'
                                          'artist'  'Crystal Castles'
                                     'text_people'  ''
                                         'release'  'Crystal Castles'
                                           'title'  'Alice Practice'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', '8 bit', 'new rave', 'electro', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '16'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro'
                                             'bpm'  '131.243'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x00\x8c\x18$\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\x8c\x18$\x00')
'TALB' (Album/Movie/Show title)                     'Crystal Castles'
'TBPM' (BPM (beats per minute))                     '131.243'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electro'
'TDRC' (Recording time)                             '2008-04-00'
'TIT2' (Title/songname/content description)         'Alice Practice'
'TKEY' (Initial key)                                '5A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Crystal Castles'
'TRCK' (Track number/Position in set)               '2/16'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'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'                                 'Advance'
'TXXX:Rip date'                                     '2008-03-04'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', '8 bit', 'new rave', 'electro', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.81 dB'
'TXXX:replaygain_track_peak'                        '0.393427'

========================== row from database ==========================
                                              'id'  1334496
                                            'path'  /data/Music/Bulk/00poprockelectronic/Crystal Castles/Crystal Castles/02 Alice Practice.mp3
                                         'working'  None
                                         'bitrate'  140
                                    'duration_sec'  161
                                           'genre'  electronic-we-electro
                                        'filesize'  2840285
                                           'mtime'  1621697639
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 electronic we electro
                                      'tag_artist'  Crystal Castles
                                     'tag_release'  Crystal Castles
                                       'tag_title'  Alice Practice
                                             'bpm'  131.243
                                    'search_title'  'alice':1 'practice':2
                                   'search_artist'  'castles':2 'crystal':1
                                  'search_release'  'castles':2 'crystal':1
                                     'search_rest'  '00poprockelectronic':1 'electro':4 'electronic':2 'we':3
                                    'search_combo'  '00poprockelectronic':7 'alice':1A 'castles':4B,6C 'crystal':3B,5C 'electro':10 'electronic':8 'practice':2A 'we':9
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', '8 bit', 'new rave', 'electro', 'electronic']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621697638.5047622  (2021-05-22 17:33:58)
                             'size'  2840285