======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '308'
                                          'artist'  'Mugison'
                                     'text_people'  ''
                                         'release'  'Lonely Mountain'
                                           'title'  'Pet'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'icelandic', 'electronic', 'experimental', 'singer songwriter']"
                                     'discogstags'  "['electronic', 'leftfield', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '85.3'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:\x1e!\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x1e!\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Lonely Mountain'
'TBPM' (BPM (beats per minute))                     '85.3'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'Tag&Rename 3.0.6'
'TIT2' (Title/songname/content description)         'Pet'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mugison'
'TPE2' (Band/orchestra/accompaniment)               'Mugison'
'TPUB' (Publisher)                                  'Lifelike'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'leftfield', 'experimental']
'TXXX:lastfmtags'                                   ['indie', 'icelandic', 'electronic', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.495191'
'WCOM:http://www.amazon.com/exec/obidos/ASIN/B00009PBR8/softpointer-20?dev-t=D17H5OIRRQ5XUC%26camp=2025%26link_code=xm2'  WCOM(url='http://www.amazon.com/exec/obidos/ASIN/B00009PBR8/softpointer-20?dev-t=D17H5OIRRQ5XUC%26camp=2025%26link_code=xm2')

========================== row from database ==========================
                                              'id'  1248804
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Mugison/Lonely Mountain/05-Mugison-Pet.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  308
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  6217103
                                           'mtime'  1636400461
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 05 ifs songwriter indie
                                      'tag_artist'  Mugison
                                     'tag_release'  Lonely Mountain
                                       'tag_title'  Pet
                                             'bpm'  85.3
                                    'search_title'  'pet':1
                                   'search_artist'  'mugison':1
                                  'search_release'  'lonely':1 'mountain':2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'songwriter':2
                                    'search_combo'  '00singer':5 'eos':7 'ifs':8 'indie':9 'lonely':3C 'mountain':4C 'mugison':2B 'pet':1A 'songwriter':6
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'icelandic', 'electronic', 'experimental', 'singer songwriter']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'leftfield', 'experimental']

============================== file details ==============================
                                           'mtime'  1636400460.776805  (2021-11-08 20:41:00)
                             'size'  6217103