======================== unified (from filesystem) ========================
                                         'bitrate'  '200.957'
                                        'duration'  '275'
                                          'artist'  'RotFront'
                                     'text_people'  ''
                                         'release'  'Russendisko: Hits'
                                           'title'  'The Robots'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['russian', 'russendisko', 'ska', 'folk', 'klezmer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '16'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '124.239'
                                             'key'  '8A'
                                        'acoustid'  'a7468f9f-811d-4a29-b8f8-8e28158ba2bb'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Russendisko: Hits'
'TBPM' (BPM (beats per minute))                     '124.239'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-01-13'
'TIT2' (Title/songname/content description)         'The Robots'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '276100'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'RotFront'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Trikont'
'TRCK' (Track number/Position in set)               '15/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'RotFront'
'TSRC' (ISRC (international standard recording code))  'DEF980230815'
'TXXX:ASIN'                                         'B00007EBAE'
'TXXX:Acoustid Id'                                  'a7468f9f-811d-4a29-b8f8-8e28158ba2bb'
'TXXX:Artists'                                      'RotFront'
'TXXX:BARCODE'                                      '4015698030822'
'TXXX:CATALOGNUMBER'                                'US-0308'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '2f6d9692-2244-4354-814d-51bd20380ae4'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '1b1b5c56-2120-4437-8bae-d1a733ce1566'
'TXXX:MusicBrainz Release Group Id'                 '4ff42183-a8d1-32d1-bed2-b734993d28a4'
'TXXX:MusicBrainz Release Track Id'                 '5a8bbeca-b987-3204-903f-d5a0a464c7fc'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['russian', 'russendisko', 'ska', 'folk', 'klezmer']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.377968'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6fbd337e-c495-453f-b2b8-8728bf5ea17e')

========================== row from database ==========================
                                              'id'  476568
                                            'path'  /data/Music/Bulk/00localcharacter/various_artists - Russendisko- Hits/15 - Rotfront & Leonid Soybelman - The Robots.mp3
                                         'working'  None
                                         'bitrate'  200
                                    'duration_sec'  275
                                           'genre'  loc-unsorted
                                        'filesize'  6968464
                                           'mtime'  1621629966
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter various_artists 15 Rotfront & Leonid Soybelman loc unsorted
                                      'tag_artist'  RotFront
                                     'tag_release'  Russendisko: Hits
                                       'tag_title'  The Robots
                                             'bpm'  124.239
                                    'search_title'  'robots':2 'the':1
                                   'search_artist'  'front':3 'rot':2 'rotfront':1
                                  'search_release'  'hits':3 'russendisko':1,2
                                     'search_rest'  'artists':2 'leonid':4 'loc':6 'rotfront':3 'soybelman':5 'unsorted':7 'various':1
                                    'search_combo'  'artists':10 'front':5B 'hits':8C 'leonid':12 'loc':14 'robots':2A 'rot':4B 'rotfront':3B,11 'russendisko':6C,7C 'soybelman':13 'the':1A 'unsorted':15 'various':9
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['russian', 'russendisko', 'ska', 'folk', 'klezmer']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629966.2676306  (2021-05-21 22:46:06)
                             'size'  6968464