======================== unified (from filesystem) ========================
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                                        'duration'  '224'
                                          'artist'  'The Smashing Pumpkins'
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                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'grunge', 'rock']"
                                     'discogstags'  "['alternative rock', 'grunge', 'art rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '14'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-gr-grunge'
                                             'bpm'  '156'
                                             'key'  '4A'
                                        'acoustid'  '894b7e55-fdb2-48fa-8aed-df3a8fcd0805'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Mellon Collie and the Infinite Sadness'
'TBPM' (BPM (beats per minute))                     '156'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-grunge'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995-10-24'
'TIT2' (Title/songname/content description)         'Here Is No Why'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Smashing Pumpkins'
'TPE2' (Band/orchestra/accompaniment)               'The Smashing Pumpkins'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '5/14'
'TSO2'                                              'Smashing Pumpkins, The'
'TSOP' (Performer sort order)                       'Smashing Pumpkins, The'
'TSRC' (ISRC (international standard recording code))  'USVI29501008'
'TSST' (Set subtitle)                               'Dawn to Dusk'
'TXXX:ASIN'                                         'B000024JHZ'
'TXXX:Acoustid Id'                                  '894b7e55-fdb2-48fa-8aed-df3a8fcd0805'
'TXXX:Artists'                                      'The Smashing Pumpkins'
'TXXX:BARCODE'                                      '724384086428'
'TXXX:CATALOGNUMBER'                                '7243 8 40864 2 8'
'TXXX:MusicBrainz Album Artist Id'                  'ba0d6274-db14-4ef5-b28d-657ebde1a396'
'TXXX:MusicBrainz Album Id'                         '5bc55bab-b2be-4566-8983-00108b1d5d8f'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ba0d6274-db14-4ef5-b28d-657ebde1a396'
'TXXX:MusicBrainz Release Group Id'                 '1af599c9-0b44-3a5a-a06b-39e8db6b2b4e'
'TXXX:MusicBrainz Release Track Id'                 '5507ea34-8e4f-46a9-ad42-9e509874dcc1'
'TXXX:Q-HAP'                                        '2'
'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'                                  ['alternative rock', 'grunge', 'art rock', 'rock']
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'grunge', 'rock']
'TXXX:mood'                                         'Electronic/Not party/Not acoustic/Not aggressive/Not sad/Relaxed/Not happy'
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.465196'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'65699ede-02ff-4b42-ad32-708201145f96')

========================== row from database ==========================
                                              'id'  1324409
                                            'path'  /data/Music/Bulk/00poprockelectronic/Smashing Pumpkins/Mellon Collie and the Infinite Sadness/Smashing Pumpkins - Here is No Why - 05.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  224
                                           'genre'  rock-gr-grunge
                                        'filesize'  3700772
                                           'mtime'  1636903067
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic is 05 rock gr grunge
                                      'tag_artist'  The Smashing Pumpkins
                                     'tag_release'  Mellon Collie and the Infinite Sadness
                                       'tag_title'  Here Is No Why
                                             'bpm'  156.0
                                    'search_title'  'here':1 'is':2 'no':3 'why':4
                                   'search_artist'  'pumpkins':3 'smashing':2 'the':1
                                  'search_release'  'and':3 'collie':2 'infinite':5 'mellon':1 'sadness':6 'the':4
                                     'search_rest'  '00poprockelectronic':1 'gr':4 'grunge':5 'is':2 'rock':3
                                    'search_combo'  '00poprockelectronic':14 'and':10C 'collie':9C 'gr':17 'grunge':18 'here':1A 'infinite':12C 'is':2A,15 'mellon':8C 'no':3A 'pumpkins':7B 'rock':16 'sadness':13C 'smashing':6B 'the':5B,11C 'why':4A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'grunge', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  ['alternative rock', 'grunge', 'art rock', 'rock']

============================== file details ==============================
                                           'mtime'  1636903067.3185906  (2021-11-14 16:17:47)
                             'size'  3700772