======================== unified (from filesystem) ========================
                                         'bitrate'  '127.983'
                                        'duration'  '201'
                                          'artist'  'Hole'
                                     'text_people'  ''
                                         'release'  'Celebrity Skin'
                                           'title'  'Playing Your Song'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'female vocalists', 'alternative', 'grunge', 'rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '13'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '126.726'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '11'
'COMM:ID3v1 Comment:XXX'                            '11'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Celebrity Skin'
'TBPM' (BPM (beats per minute))                     '126.726'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1998-09-02'
'TIT2' (Title/songname/content description)         'Playing Your Song'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hole'
'TPE2' (Band/orchestra/accompaniment)               'Hole'
'TPUB' (Publisher)                                  'Universal Victor'
'TRCK' (Track number/Position in set)               '11/13'
'TSOP' (Performer sort order)                       'Hole'
'TSRC' (ISRC (international standard recording code))  'USGF19816411'
'TXXX:ALBUMARTISTSORT'                              'Hole'
'TXXX:ASIN'                                         'B00000G6DI'
'TXXX:BARCODE'                                      '4988067034588'
'TXXX:CATALOGNUMBER'                                'MVCF-24035'
'TXXX:MusicBrainz Album Artist Id'                  '1dcc8968-f2cd-441c-beda-6270f70f2863'
'TXXX:MusicBrainz Album Id'                         'f3e17f30-f0d5-440c-a624-c628c5cfd4e2'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1dcc8968-f2cd-441c-beda-6270f70f2863'
'TXXX:MusicIP PUID'                                 '28b7cffa-2b64-8be2-75d1-3b37959c3891'
'TXXX:MusicMagic Data'                              'AgEAAEkfulGdEat5gqcYaEmQgAGCHYu/zgKe0FM6z7IZ7bM0rxbTeazIzWG9/MdkgfKAATXAh5kxo+VgJXrVAuU68wGzxvQ5gAKAAb12nA6444NMB1lGSIG0hH2IZtrXmRVPpMD4EbSlMK5a5kyrPspKvDa1w4K5iSYmnY99IXre5qtL1KPsEO4atO7wGIbfgJw='
'TXXX:MusicMagic Fingerprint'                       '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'
'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:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['alternative rock', 'female vocalists', 'alternative', 'grunge', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.408988'

========================== row from database ==========================
                                              'id'  1291452
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/11. Playing Your Song.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  201
                                           'genre'  rock-unsorted
                                        'filesize'  3229345
                                           'mtime'  1676053205
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 11. rock unsorted
                                      'tag_artist'  Hole
                                     'tag_release'  Celebrity Skin
                                       'tag_title'  Playing Your Song
                                             'bpm'  126.726
                                    'search_title'  'playing':1 'song':3 'your':2
                                   'search_artist'  'hole':1
                                  'search_release'  'celebrity':1 'skin':2
                                     'search_rest'  '00poprockelectronic':1 '11':7,8 'files':5,6 'loose':3,4 'rock':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 '11':13,14 'celebrity':5C 'files':11,12 'hole':4B 'loose':9,10 'playing':1A 'rock':15 'skin':6C 'song':3A 'unsorted':8 'your':2A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['alternative rock', 'female vocalists', 'alternative', 'grunge', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1676053205.2935061  (2023-02-10 19:20:05)
                             'size'  3229345