======================== unified (from filesystem) ========================
                                         'bitrate'  '240.762'
                                        'duration'  '236'
                                          'artist'  'Poets of the Fall'
                                     'text_people'  ''
                                         'release'  'Carnival of Rust'
                                           'title'  'Fire'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-2', 'q-bass-3', "
 "'Q-CHART-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  ("['alternative rock', '10 of 10 stars', 'finnish', 'indie', 'rock', "
 "'alternative']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '134.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:ã!\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xe3!\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Carnival of Rust'
'TBPM' (BPM (beats per minute))                     '134.6'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Fire'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Poets of the Fall'
'TPE2' (Band/orchestra/accompaniment)               'Poets of the Fall'
'TPUB' (Publisher)                                  'Rajon'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock',
 '10 of 10 stars',
 'finnish',
 'indie',
 'rock',
 'alternative']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-10.75 dB'
'TXXX:replaygain_track_peak'                        '1.163740'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'90621eaa-8eb7-4fb5-954c-d37dd044ee18')
'WCOM:http://www.amazon.com/gp/redirect.html%3FASIN=B000J3OWVG%26tag=softpointer-20%26lcode=xm2%26cID=2025%26ccmID=165953%26location=/o/ASIN/B000J3OWVG%253FSubscriptionId=0RXJS26C80QSDEB56CR2'  WCOM(url='http://www.amazon.com/gp/redirect.html%3FASIN=B000J3OWVG%26tag=softpointer-20%26lcode=xm2%26cID=2025%26ccmID=165953%26location=/o/ASIN/B000J3OWVG%253FSubscriptionId=0RXJS26C80QSDEB56CR2')

========================== row from database ==========================
                                              'id'  1477799
                                            'path'  /data/Music/Bulk/00dwimp/Carnival of Rust (2006)/01 - Fire.mp3
                                         'working'  None
                                         'bitrate'  240
                                    'duration_sec'  236
                                           'genre'  eid-unsorted
                                        'filesize'  7215839
                                           'mtime'  1620520972
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp (2006) 01 eid unsorted
                                      'tag_artist'  Poets of the Fall
                                     'tag_release'  Carnival of Rust
                                       'tag_title'  Fire
                                             'bpm'  134.6
                                    'search_title'  'fire':1
                                   'search_artist'  'fall':4 'of':2 'poets':1 'the':3
                                  'search_release'  'carnival':1 'of':2 'rust':3
                                     'search_rest'  '00dwimp':1 '2006':2,3 'eid':4 'unsorted':5
                                    'search_combo'  '00dwimp':9 '2006':10,11 'carnival':6C 'eid':12 'fall':5B 'fire':1A 'of':3B,7C 'poets':2B 'rust':8C 'the':4B 'unsorted':13
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-3', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-1', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['alternative rock', '10 of 10 stars', 'finnish', 'indie', 'rock', 'alternative']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620520971.5073237  (2021-05-09 02:42:51)
                             'size'  7215839