======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '159'
                                          'artist'  'Nancy Sinatra'
                                     'text_people'  ''
                                         'release'  'Kill Bill: Vol. 1'
                                           'title'  'Bang Bang (My Baby Shot Me Down)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'female vocalists', 'pop', '60s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '22'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '123'
                                             'key'  '4A'
                                        'acoustid'  '9854fb1e-0453-4662-9e4e-ebfef455a3a0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Kill Bill: Vol. 1'
'TBPM' (BPM (beats per minute))                     '123'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Lawrence Bender'], ['producer', 'Quentin Tarantino']])
'TIT2' (Title/songname/content description)         'Bang Bang (My Baby Shot Me Down)'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'Enhanced CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Nancy Sinatra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Maverick'
'TRCK' (Track number/Position in set)               '1/22'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Sinatra, Nancy'
'TSRC' (ISRC (international standard recording code))  'USMV20300168'
'TXXX:ASIN'                                         'B0002YNX26'
'TXXX:Acoustid Id'                                  '9854fb1e-0453-4662-9e4e-ebfef455a3a0'
'TXXX:Artists'                                      'Nancy Sinatra'
'TXXX:BARCODE'                                      '093624857020'
'TXXX:CATALOGNUMBER'                                '9362-48570-2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '30863582-a315-4b0e-acea-bd95f451276d'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation/soundtrack'
'TXXX:MusicBrainz Artist Id'                        'c2e36518-9c3b-4dcb-82ad-a3fc7fe99c67'
'TXXX:MusicBrainz Release Group Id'                 '9a0145c1-0b30-3a5f-8752-314914b7f22f'
'TXXX:MusicBrainz Release Track Id'                 '88ac9d08-0289-4fbc-9d06-93f2a4627ac6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['oldies', 'female vocalists', 'pop', '60s', 'classic rock']
'TXXX:mood'                                         'Not aggressive/Acoustic/Not happy/Relaxed/Not party/Sad/Not electronic'
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                        '+1.38 dB'
'TXXX:replaygain_track_peak'                        '0.590489'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ec73978f-5f34-4bce-87f8-c1f6438d7ee7')

========================== row from database ==========================
                                              'id'  791459
                                            'path'  /data/Music/Bulk/0soundtrack/Kill_Bill_Volume_One/01_nancy_sinatra_-_bang_bang-xmr.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  159
                                           'genre'  soundtrack-video
                                        'filesize'  3897756
                                           'mtime'  1636915064
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Kill_Bill_Volume_One 01_nancy_sinatra_ _bang_bang xmr soundtrack video
                                      'tag_artist'  Nancy Sinatra
                                     'tag_release'  Kill Bill: Vol. 1
                                       'tag_title'  Bang Bang (My Baby Shot Me Down)
                                             'bpm'  123.0
                                    'search_title'  'baby':4 'bang':1 'down':7,8 'me':6 'my':2,3 'shot':5
                                   'search_artist'  'nancy':1 'sinatra':2
                                  'search_release'  '1':6 'bill':2,3 'kill':1 'vol':4,5
                                     'search_rest'  '01':6 '0soundtrack':1 'bang':9,10 'bill':3 'kill':2 'nancy':7 'one':5 'sinatra':8 'soundtrack':12 'video':13 'volume':4 'xmr':11
                                    'search_combo'  '01':22 '0soundtrack':17 '1':16C 'baby':4A 'bang':1A,25,26 'bill':12C,13C,19 'down':7A,8A 'kill':11C,18 'me':6A 'my':2A,3A 'nancy':9B,23 'one':21 'shot':5A 'sinatra':10B,24 'soundtrack':28 'video':29 'vol':14C,15C 'volume':20 'xmr':27
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'female vocalists', 'pop', '60s', 'classic rock']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915063.877765  (2021-11-14 19:37:43)
                             'size'  3897756