======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '384'
                                          'artist'  'Antonín Dvořák'
                                     'text_people'  ''
                                         'release'  'Nodame Cantabile Best 100 Collection Box'
                                           'title'  ('Symphony No. 8 in G major, Op. 88, B. 163: III. Allegretto grazioso - Molto '
 'vivace')
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['czech', 'composers', 'composer', 'romantic', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '8'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'soundtrack-video;prerock-classical or classical instruments'
                                             'bpm'  '144'
                                             'key'  '6A'
                                        'acoustid'  'f780e8d9-bcba-4814-8786-d29365322a71'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'TALB' (Album/Movie/Show title)                     'Nodame Cantabile Best 100 Collection Box'
'TBPM' (BPM (beats per minute))                     '144'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-video', 'prerock-classical or classical instruments']
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2007-01-01'
'TIT2' (Title/songname/content description)         ('Symphony No. 8 in G major, Op. 88, B. 163: III. Allegretto grazioso - Molto '
 'vivace')
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Antonín Dvořák'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/8'
'TPUB' (Publisher)                                  'Sony Music Japan International Inc.'
'TRCK' (Track number/Position in set)               '7/8'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Dvořák, Antonín'
'TXXX:ASIN'                                         'B000JS77FY'
'TXXX:Acoustid Id'                                  'f780e8d9-bcba-4814-8786-d29365322a71'
'TXXX:Artists'                                      'Antonín Dvořák'
'TXXX:BARCODE'                                      '4547366028485'
'TXXX:CATALOGNUMBER'                                'SICC-631'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '07ee3d9d-b7ce-4bf3-a252-9d3819d2d9ac'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '819eaeb2-8dd8-48a5-ad07-0bcd137985ef'
'TXXX:MusicBrainz Release Group Id'                 'b0ae25a4-8df2-4628-82d2-2cd79932859f'
'TXXX:MusicBrainz Release Track Id'                 '70e64481-af38-3a8f-8b56-0b65d06f9087'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['czech', 'composers', 'composer', 'romantic', 'classical']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.93 dB'
'TXXX:replaygain_track_peak'                        '0.708642'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1951e14b-cf31-412e-a7ee-cd4386672bff')

========================== row from database ==========================
                                              'id'  256909
                                            'path'  /data/Music/Bulk/0soundtrack/Nodame/Nodame Cantabile Best 100 - Disc 3/3-07 Symphony #8 in G major, Op.88 - 3rd Movement.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  384
                                           'genre'  soundtrack-video;prerock-classical or classical instruments
                                        'filesize'  9316170
                                           'mtime'  1620333987
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Disc 07 #8 Op.88 3rd Movement soundtrack video;prerock classical classical instruments
                                      'tag_artist'  Antonín Dvořák
                                     'tag_release'  Nodame Cantabile Best 100 Collection Box
                                       'tag_title'  Symphony No. 8 in G major, Op. 88, B. 163: III. Allegretto grazioso - Molto vivace
                                             'bpm'  144.0
                                    'search_title'  '163':15,16 '8':4 '88':11,12 'allegretto':19 'b':13,14 'g':6 'grazioso':20 'iii':17,18 'in':5 'major':7,8 'molto':21 'no':2,3 'op':9,10 'symphony':1 'vivace':22
                                   'search_artist'  'antonin':1,2 'dvorak':3,4
                                  'search_release'  '100':4 'best':3 'box':6 'cantabile':2 'collection':5 'nodame':1
                                     'search_rest'  '0soundtrack':1 '3rd':8 '8':3,4 '88':6 'classical':15 'disc':2 'instruments':16 'movement':9 'op':5 'op88':7 'prerock':12,14 'soundtrack':10 'video':11,13
                                    'search_combo'  '0soundtrack':33 '100':30C '163':15A,16A '3rd':40 '8':4A,35,36 '88':11A,12A,38 'allegretto':19A 'antonin':23B,24B 'b':13A,14A 'best':29C 'box':32C 'cantabile':28C 'classical':47 'collection':31C 'disc':34 'dvorak':25B,26B 'g':6A 'grazioso':20A 'iii':17A,18A 'in':5A 'instruments':48 'major':7A,8A 'molto':21A 'movement':41 'no':2A,3A 'nodame':27C 'op':9A,10A,37 'op88':39 'prerock':44,46 'soundtrack':42 'symphony':1A 'video':43,45 'vivace':22A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['czech', 'composers', 'composer', 'romantic', 'classical']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333987.1382363  (2021-05-06 22:46:27)
                             'size'  9316170