======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '206'
                                          'artist'  'Fiona Apple'
                                     'text_people'  ''
                                         'release'  'Fetch the Bolt Cutters'
                                           'title'  'Heavy Balloon'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-SYN-1', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['beautiful', 'piano', 'female vocalists', 'alternative', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '13'
                                            'date'  '2020'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '111.0'
                                             'key'  '11A'
                                        'acoustid'  'b43f9176-d35c-480e-96ba-237d41ff8cd5'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Fetch the Bolt Cutters'
'TBPM' (BPM (beats per minute))                     '111.0'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '2020'
'TDRC' (Recording time)                             '2020-04-17'
'TENC' (Encoded by)                                 'impactus'
'TIT2' (Title/songname/content description)         'Heavy Balloon'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Fiona Apple'
'TPE2' (Band/orchestra/accompaniment)               'Fiona Apple'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Epic'
'TRCK' (Track number/Position in set)               '9/13'
'TSO2'                                              'Apple, Fiona'
'TSOP' (Performer sort order)                       'Apple, Fiona'
'TSRC' (ISRC (international standard recording code))  'USSM12001957'
'TXXX:Acoustid Id'                                  'b43f9176-d35c-480e-96ba-237d41ff8cd5'
'TXXX:Artists'                                      'Fiona Apple'
'TXXX:BARCODE'                                      '886448398486'
'TXXX:MusicBrainz Album Artist Id'                  'a9ee533f-8871-4f62-a6bb-91eb264abc90'
'TXXX:MusicBrainz Album Id'                         '51f08309-cfad-478b-a25d-ee61ba4acc26'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a9ee533f-8871-4f62-a6bb-91eb264abc90'
'TXXX:MusicBrainz Release Group Id'                 '882db6d8-e28b-46ba-8a30-277e86fbddf7'
'TXXX:MusicBrainz Release Track Id'                 '81766df0-5160-49cf-bd12-b48185ec9a35'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '4'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['beautiful', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
'TXXX:originalyear'                                 '2020'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-8.72 dB'
'TXXX:replaygain_track_peak'                        '1.111436'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1e862718-0749-493b-b5b0-61bf36aed014')

========================== row from database ==========================
                                              'id'  1482659
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Fiona Apple - Fetch The Bolt Cutters (2020)/09 Heavy Balloon.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  206
                                           'genre'  ifs-songwriter
                                        'filesize'  8308730
                                           'mtime'  1636401672
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos The (2020) 09 ifs songwriter
                                      'tag_artist'  Fiona Apple
                                     'tag_release'  Fetch the Bolt Cutters
                                       'tag_title'  Heavy Balloon
                                             'bpm'  111.0
                                    'search_title'  'balloon':2 'heavy':1
                                   'search_artist'  'apple':2 'fiona':1
                                  'search_release'  'bolt':3 'cutters':4 'fetch':1 'the':2
                                     'search_rest'  '00singer':1 '2020':5,6 'eos':3 'ifs':7 'songwriter':2 'the':4
                                    'search_combo'  '00singer':9 '2020':13,14 'apple':4B 'balloon':2A 'bolt':7C 'cutters':8C 'eos':11 'fetch':5C 'fiona':3B 'heavy':1A 'ifs':15 'songwriter':10 'the':6C,12
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-4', 'q-drums-4', 'Q-SYN-1', 'q-other-1', 'Q-BUSY-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['beautiful', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  2020
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636401671.5864973  (2021-11-08 21:01:11)
                             'size'  8308730