======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '175'
                                          'artist'  'Penelope Trappes'
                                     'text_people'  'Penelope Trappes'
                                         'release'  'Penelope Two'
                                           'title'  'For You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['piano', 'electronic', 'ethereal', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '10'
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '141.6'
                                             'key'  '6A'
                                        'acoustid'  '81c57825-4ab8-49cb-88d2-6efdb04a01c1'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Penelope Two'
'TBPM' (BPM (beats per minute))                     '141.6'
'TCOM' (Composer)                                   'Penelope Trappes'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2018'
'TDRC' (Recording time)                             '2018-10-26'
'TIT2' (Title/songname/content description)         'For You'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Penelope Trappes'
'TPE2' (Band/orchestra/accompaniment)               'Penelope Trappes'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Houndstooth'
'TRCK' (Track number/Position in set)               '9/10'
'TSO2'                                              'Trappes, Penelope'
'TSOP' (Performer sort order)                       'Trappes, Penelope'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavc57.24'
'TXXX:Acoustid Id'                                  '81c57825-4ab8-49cb-88d2-6efdb04a01c1'
'TXXX:MusicBrainz Album Artist Id'                  '0ff4c6f8-b535-496f-bd45-0c19c9e02553'
'TXXX:MusicBrainz Album Id'                         '5684b8ae-2e78-4a4a-93df-7ff3b3fdde7a'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0ff4c6f8-b535-496f-bd45-0c19c9e02553'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['piano', 'electronic', 'ethereal', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.40 dB'
'TXXX:replaygain_track_peak'                        '0.406473'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9f9a60bb-03e7-418f-83ac-36771bb49325')

========================== row from database ==========================
                                              'id'  1295861
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/penelope trappes - 2018 - penelope two/09-penelope trappes-for you.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  175
                                           'genre'  electronic
                                        'filesize'  7123233
                                           'mtime'  1636912847
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm penelope trappes 2018 penelope two 09 penelope trappes for you electronic
                                      'tag_artist'  Penelope Trappes
                                     'tag_release'  Penelope Two
                                       'tag_title'  For You
                                             'bpm'  141.6
                                    'search_title'  'for':1 'you':2
                                   'search_artist'  'penelope':1 'trappes':2
                                  'search_release'  'penelope':1 'two':2
                                     'search_rest'  '2018':3 'electronic':7 'for':5 'penelope':1 'trappes':2 'two':4 'you':6
                                    'search_combo'  '2018':9 'electronic':13 'for':1A,11 'penelope':3B,5C,7 'trappes':4B,8 'two':6C,10 'you':2A,12
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['piano', 'electronic', 'ethereal', 'experimental', 'ambient']
                                        'tag_date'  2018
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912846.635384  (2021-11-14 19:00:46)
                             'size'  7123233