======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '269'
                                          'artist'  'Joss Whedon'
                                     'text_people'  ''
                                         'release'  'Buffy the Vampire Slayer: Once More, With Feeling'
                                           'title'  'Something to Sing About (demo)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'firefly', 'buffy the vampire slayer', 'musical', 'buffy']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  '23'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '100'
                                             'key'  '9B'
                                        'acoustid'  '8ed3e26e-cc02-4641-80ad-c2b7e4e8c898'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Buffy the Vampire Slayer: Once More, With Feeling'
'TBPM' (BPM (beats per minute))                     '100'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Something to Sing About (demo)'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Joss Whedon'
'TPE2' (Band/orchestra/accompaniment)               'Joss Whedon'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Decca Records'
'TRCK' (Track number/Position in set)               '23/23'
'TSO2'                                              'Whedon, Joss'
'TSOP' (Performer sort order)                       'Whedon, Joss'
'TXXX:Acoustid Id'                                  '8ed3e26e-cc02-4641-80ad-c2b7e4e8c898'
'TXXX:Artists'                                      'Joss Whedon'
'TXXX:BARCODE'                                      '028947359920'
'TXXX:CATALOGNUMBER'                                '473 599-2'
'TXXX:MusicBrainz Album Artist Id'                  '00b82d40-1abc-4139-be19-e64243c698cb'
'TXXX:MusicBrainz Album Id'                         'e1ad32b2-e6db-4349-b788-a096f899be1c'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/soundtrack'
'TXXX:MusicBrainz Artist Id'                        '00b82d40-1abc-4139-be19-e64243c698cb'
'TXXX:MusicBrainz Release Group Id'                 'f922eb68-c5fc-3d6c-8482-f63927d1ef5a'
'TXXX:MusicBrainz Release Track Id'                 '018ec440-148e-4ee0-934d-7fc5a0da50eb'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['soundtrack', 'firefly', 'buffy the vampire slayer', 'musical', 'buffy']
'TXXX:originalyear'                                 '2002'
'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'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.68 dB'
'TXXX:replaygain_track_peak'                        '0.698561'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5a7ed21c-c811-40cf-b085-4ee22d5dc7f6')

========================== row from database ==========================
                                              'id'  259808
                                            'path'  /data/Music/Bulk/0soundtrack/BTVS - Once More, With Feeling/MBZ;#Buffy the Vampire Slayer;#Once More, With Feeling;#23;#Something to Sing About (demo).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  269
                                           'genre'  soundtrack-video
                                        'filesize'  6504426
                                           'mtime'  1642081774
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack BTVS MBZ;#Buffy Slayer;#Once Feeling;#23;#Something soundtrack video
                                      'tag_artist'  Joss Whedon
                                     'tag_release'  Buffy the Vampire Slayer: Once More, With Feeling
                                       'tag_title'  Something to Sing About (demo)
                                             'bpm'  100.0
                                    'search_title'  'about':4 'demo':5,6 'sing':3 'something':1 'to':2
                                   'search_artist'  'joss':1 'whedon':2
                                  'search_release'  'buffy':1 'feeling':10 'more':7,8 'once':6 'slayer':4,5 'the':2 'vampire':3 'with':9
                                     'search_rest'  '0soundtrack':1 '23':12,15 'btvs':2 'buffy':4,6 'feeling':11,14 'mbz':3,5 'once':8,10 'slayer':7,9 'something':13,16 'soundtrack':17 'video':18
                                    'search_combo'  '0soundtrack':19 '23':30,33 'about':4A 'btvs':20 'buffy':9C,22,24 'demo':5A,6A 'feeling':18C,29,32 'joss':7B 'mbz':21,23 'more':15C,16C 'once':14C,26,28 'sing':3A 'slayer':12C,13C,25,27 'something':1A,31,34 'soundtrack':35 'the':10C 'to':2A 'vampire':11C 'video':36 'whedon':8B 'with':17C
                                    'tag_tracknum'  23
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['soundtrack', 'firefly', 'buffy the vampire slayer', 'musical', 'buffy']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642081774.008197  (2022-01-13 14:49:34)
                             'size'  6504426