======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '185'
                                          'artist'  'Reel Big Fish'
                                     'text_people'  ''
                                         'release'  'Why Do They Rock So Hard?'
                                           'title'  'Brand New Song'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska punk', 'alternative', 'ska', 'punk', 'rock']"
                                     'discogstags'  "['rock', 'ska', 'punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '17'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '93'
                                             'key'  '8B'
                                        'acoustid'  '33ecc9ad-534f-4a02-88fd-579a48223947'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Why Do They Rock So Hard?'
'TBPM' (BPM (beats per minute))                     '93'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-10-20'
'TIT2' (Title/songname/content description)         'Brand New Song'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Reel Big Fish'
'TPE2' (Band/orchestra/accompaniment)               'Reel Big Fish'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mojo Records'
'TRCK' (Track number/Position in set)               '2/17'
'TSO2'                                              'Reel Big Fish'
'TSOP' (Performer sort order)                       'Reel Big Fish'
'TSRC' (ISRC (international standard recording code))  'USMJ19801490'
'TXXX:Acoustid Id'                                  '33ecc9ad-534f-4a02-88fd-579a48223947'
'TXXX:Artists'                                      'Reel Big Fish'
'TXXX:BARCODE'                                      '601215315929'
'TXXX:CATALOGNUMBER'                                'USD-53159'
'TXXX:MusicBrainz Album Artist Id'                  '5e5480be-eded-44ad-9c45-f6136ec2f5db'
'TXXX:MusicBrainz Album Id'                         '02719d95-027d-47cd-8ff6-f37f54fd38d1'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5e5480be-eded-44ad-9c45-f6136ec2f5db'
'TXXX:MusicBrainz Release Group Id'                 'f7199dad-066e-3ef8-9ed9-aa86e4865f17'
'TXXX:MusicBrainz Release Track Id'                 '4623ba00-cd11-4a22-b85e-9a87402565e8'
'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:discogstags'                                  ['rock', 'ska', 'punk']
'TXXX:lastfmtags'                                   ['ska punk', 'alternative', 'ska', 'punk', 'rock']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.458241'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c7a4a2ae-9c01-43c9-a072-9e7459ab445d')

========================== row from database ==========================
                                              'id'  1323605
                                            'path'  /data/Music/Bulk/00poprockelectronic/Reel Big Fish/Why Do They Rock So Hard/MBZ;#Reel Big Fish;#Why Do They Rock So Hard;#02;#Brand New Song.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  185
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  3056931
                                           'mtime'  1621695992
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Reel Fish;#Why Hard;#02;#Brand rock gr punk ska
                                      'tag_artist'  Reel Big Fish
                                     'tag_release'  Why Do They Rock So Hard?
                                       'tag_title'  Brand New Song
                                             'bpm'  93.0
                                    'search_title'  'brand':1 'new':2 'song':3
                                   'search_artist'  'big':2 'fish':3 'reel':1
                                  'search_release'  'do':2 'hard':6 'rock':4 'so':5 'they':3 'why':1
                                     'search_rest'  '00poprockelectronic':1 '02':11,14 'brand':12,15 'fish':6,8 'gr':17 'hard':10,13 'mbz':2,4 'punk':18 'reel':3,5 'rock':16 'ska':19 'why':7,9
                                    'search_combo'  '00poprockelectronic':13 '02':23,26 'big':5B 'brand':1A,24,27 'do':8C 'fish':6B,18,20 'gr':29 'hard':12C,22,25 'mbz':14,16 'new':2A 'punk':30 'reel':4B,15,17 'rock':10C,28 'ska':31 'so':11C 'song':3A 'they':9C 'why':7C,19,21
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'alternative', 'ska', 'punk', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock', 'ska', 'punk']

============================== file details ==============================
                                           'mtime'  1621695992.2114418  (2021-05-22 17:06:32)
                             'size'  3056931