======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '451'
                                          'artist'  'Underworld'
                                     'text_people'  'Darren Emerson/Karl Hyde/Rick Smith'
                                         'release'  'Beaucoup Fish'
                                           'title'  'Kittens'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', '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-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'dance', 'techno', 'electronic', 'trance']"
                                     'discogstags'  "['electronic', 'techno', 'downtempo', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '11'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz;electronic-th-trance'
                                             'bpm'  '135'
                                             'key'  '9B'
                                        'acoustid'  '476cbeb1-d8fe-40e1-9847-2d79f553a335'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=153, count=0)
'TALB' (Album/Movie/Show title)                     'Beaucoup Fish'
'TBPM' (BPM (beats per minute))                     '135'
'TCOM' (Composer)                                   'Darren Emerson/Karl Hyde/Rick Smith'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-trip hop or downtempo or acid jazz', 'electronic-th-trance']
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Rick Smith'], ['engineer', 'Tom E. Morrison'], ['engineer', 'Mike Nielsen'], ['engineer', 'Rick Smith'], ['mix', 'Tom E. Morrison'], ['mix', 'Mike Nielsen'], ['guest vocals', 'Phil Doré'], ['guest vocals', 'Andrew Flashman'], ['guest vocals', 'Maru'], ['guest vocals', 'Petra'], ['guest vocals', 'Reiko'], ['guest vocals', 'Todd']])
'TIT2' (Title/songname/content description)         'Kittens'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Underworld'
'TPE2' (Band/orchestra/accompaniment)               'Underworld'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  "Junior Boy's Own"
'TRCK' (Track number/Position in set)               '8/11'
'TSO2'                                              'Underworld'
'TSOC'                                              'Emerson, Darren/Hyde, Karl/Smith, Rick'
'TSOP' (Performer sort order)                       'Underworld'
'TSRC' (ISRC (international standard recording code))  'GBCGL9800036'
'TXXX:ASIN'                                         'B00003L1W6'
'TXXX:Acoustid Id'                                  '476cbeb1-d8fe-40e1-9847-2d79f553a335'
'TXXX:Artists'                                      'Underworld'
'TXXX:BARCODE'                                      '5033197118222'
'TXXX:CATALOGNUMBER'                                'JBO1011822'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicBrainz Album Artist Id'                  'ba2f4f3b-0293-4bc8-bb94-2f73b5207343'
'TXXX:MusicBrainz Album Id'                         'b4b941f8-acf0-3c2f-8d42-839b5d3c66ea'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ba2f4f3b-0293-4bc8-bb94-2f73b5207343'
'TXXX:MusicBrainz Release Group Id'                 '79d84db4-0ae4-3d85-9dba-73126f5d05e7'
'TXXX:MusicBrainz Release Track Id'                 'a86143b0-d2fe-3c95-8219-518679b00879'
'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', 'techno', 'downtempo', 'tech house']
'TXXX:lastfmtags'                                   ['electronica', 'dance', 'techno', 'electronic', 'trance']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.576449'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b37e9378-4c8b-4458-846a-af02248e0a78')

========================== row from database ==========================
                                              'id'  1469444
                                            'path'  /data/Music/Bulk/00poprockelectronic/Underworld/Beacoup Fish/08 - Kittens.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  451
                                           'genre'  electronic-trip hop or downtempo or acid jazz;electronic-th-trance
                                        'filesize'  10895353
                                           'mtime'  1636911438
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Beacoup 08 electronic trip hop downtempo acid jazz;electronic th trance
                                      'tag_artist'  Underworld
                                     'tag_release'  Beaucoup Fish
                                       'tag_title'  Kittens
                                             'bpm'  135.0
                                    'search_title'  'kittens':1
                                   'search_artist'  'underworld':1
                                  'search_release'  'beaucoup':1 'fish':2
                                     'search_rest'  '00poprockelectronic':1 'acid':7 'beacoup':2 'downtempo':6 'electronic':3,9,11 'hop':5 'jazz':8,10 'th':12 'trance':13 'trip':4
                                    'search_combo'  '00poprockelectronic':5 'acid':11 'beacoup':6 'beaucoup':3C 'downtempo':10 'electronic':7,13,15 'fish':4C 'hop':9 'jazz':12,14 'kittens':1A 'th':16 'trance':17 'trip':8 'underworld':2B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', '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'  ['electronica', 'dance', 'techno', 'electronic', 'trance']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic', 'techno', 'downtempo', 'tech house']

============================== file details ==============================
                                           'mtime'  1636911437.8191066  (2021-11-14 18:37:17)
                             'size'  10895353