======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '260'
                                          'artist'  'Weird Al Yankovic'
                                     'text_people'  ''
                                         'release'  'In 3-D'
                                           'title'  'Polkas on 45'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['comedy', 'parody', 'rock', 'humor', 'funny']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '11'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '107.8'
                                             'key'  '4A'
                                        'acoustid'  '89a02182-d841-4fe9-92da-6f44b82a955c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'In 3-D'
'TBPM' (BPM (beats per minute))                     '107.8'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDOR' (Original release time)                      '1984'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Polkas on 45'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Weird Al Yankovic'
'TPE2' (Band/orchestra/accompaniment)               'Weird Al Yankovic'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Volcano Records/Way Moby'
'TRCK' (Track number/Position in set)               '6/11'
'TSO2'                                              'Yankovic, Weird Al'
'TSOP' (Performer sort order)                       'Yankovic, Weird Al'
'TSRC' (ISRC (international standard recording code))  'USVR10400196'
'TXXX:ASIN'                                         'B0060ANWF4'
'TXXX:Acoustid Id'                                  '89a02182-d841-4fe9-92da-6f44b82a955c'
'TXXX:Artists'                                      '"Weird Al" Yankovic'
'TXXX:BARCODE'                                      '886979176621'
'TXXX:CATALOGNUMBER'                                '32004-2'
'TXXX:MusicBrainz Album Artist Id'                  '7746d775-9550-4360-b8d5-c37bd448ce01'
'TXXX:MusicBrainz Album Id'                         '7e196262-00b6-4a73-b84d-68412b222a37'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7746d775-9550-4360-b8d5-c37bd448ce01'
'TXXX:MusicBrainz Release Group Id'                 'd164b1a6-c4f7-395a-9fca-5e34308ff46e'
'TXXX:MusicBrainz Release Track Id'                 '32682c0b-e302-4ca2-a73c-95bd46c46ad8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['comedy', 'parody', 'rock', 'humor', 'funny']
'TXXX:originalyear'                                 '1984'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.21 dB'
'TXXX:replaygain_track_peak'                        '0.724454'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a25b4232-31ca-481c-a4b2-acee76429602')

========================== row from database ==========================
                                              'id'  1321997
                                            'path'  /data/Music/Bulk/00spent/Weird Al/Weird Al Yankovic/In 3D [1984]/06 - Weird Al - Polkas On 45.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  260
                                           'genre'  entertaining-unsorted
                                        'filesize'  4267680
                                           'mtime'  1620647401
                                   'redo_metaread'  0
                                        'rest_str'   00spent 3D [1984] 06 On entertaining unsorted
                                      'tag_artist'  Weird Al Yankovic
                                     'tag_release'  In 3-D
                                       'tag_title'  Polkas on 45
                                             'bpm'  107.8
                                    'search_title'  '45':3 'on':2 'polkas':1
                                   'search_artist'  'al':2 'weird':1 'yankovic':3
                                  'search_release'  '3':2 '3d':4 'd':3 'in':1
                                     'search_rest'  '00spent':1 '1984':3,4 '3d':2 'entertaining':6 'on':5 'unsorted':7
                                    'search_combo'  '00spent':11 '1984':13,14 '3':8C '3d':10C,12 '45':3A 'al':5B 'd':9C 'entertaining':16 'in':7C 'on':2A,15 'polkas':1A 'unsorted':17 'weird':4B 'yankovic':6B
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['comedy', 'parody', 'rock', 'humor', 'funny']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620647401.2295282  (2021-05-10 13:50:01)
                             'size'  4267680