======================== unified (from filesystem) ========================
                                         'bitrate'  '200.673'
                                        'duration'  '249'
                                          'artist'  'Fleet Foxes'
                                     'text_people'  ''
                                         'release'  'Fleet Foxes'
                                           'title'  'Your Protector'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'folk rock', 'lo fi', 'indie rock', 'folk']"
                                     'discogstags'  "['rock', 'folk rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '11'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '99.763'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:http://www.cdtag.com:\x02\x00È%Y\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xc8%Y\x00')
'TALB' (Album/Movie/Show title)                     'Fleet Foxes'
'TBPM' (BPM (beats per minute))                     '99.763'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Your Protector'
'TKEY' (Initial key)                                '9A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Fleet Foxes'
'TPUB' (Publisher)                                  'Bella Union'
'TRCK' (Track number/Position in set)               '8/11'
'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'                                     '2008-04-24'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  ['rock', 'folk rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'folk rock', 'lo fi', 'indie rock', 'folk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.27 dB'
'TXXX:replaygain_track_peak'                        '0.370632'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1c86f998-a136-45f1-a766-c32d8da3e050')

========================== row from database ==========================
                                              'id'  1369346
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Fleet Foxes/Fleet Foxes/08-fleet_foxes-your_protector.mp3
                                         'working'  None
                                         'bitrate'  200
                                    'duration_sec'  249
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6390062
                                           'mtime'  1621697222
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 08 fleet_foxes your_protector ifs songwriter indie rock
                                      'tag_artist'  Fleet Foxes
                                     'tag_release'  Fleet Foxes
                                       'tag_title'  Your Protector
                                             'bpm'  99.763
                                    'search_title'  'protector':2 'your':1
                                   'search_artist'  'fleet':1 'foxes':2
                                  'search_release'  'fleet':1 'foxes':2
                                     'search_rest'  '00poprockelectronic':1 'fleet':4 'foxes':5 'ifs':8 'indie':10 'indierock':3 'poprock':2 'protector':7 'rock':11 'songwriter':9 'your':6
                                    'search_combo'  '00poprockelectronic':7 'fleet':3B,5C,10 'foxes':4B,6C,11 'ifs':14 'indie':16 'indierock':9 'poprock':8 'protector':2A,13 'rock':17 'songwriter':15 'your':1A,12
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'folk rock', 'lo fi', 'indie rock', 'folk']
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'folk rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621697222.2351122  (2021-05-22 17:27:02)
                             'size'  6390062