======================== unified (from filesystem) ========================
                                         'bitrate'  '222.673'
                                        'duration'  '272'
                                          'artist'  'Muffin'
                                     'text_people'  ''
                                         'release'  't.A.T.u. + Rammstein: Pruzhinki'
                                           'title'  'Polchasa bez tebya (Very Sad mix) (t.A.T.u. vs. Rammstein)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['russian', 'female vocalists', 'japanese', 'folk', 'mash up']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '9'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '136'
                                             'key'  '7A'
                                        'acoustid'  '321e0814-7eba-4533-ad21-34a23c16e7f0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     't.A.T.u. + Rammstein: Pruzhinki'
'TBPM' (BPM (beats per minute))                     '136'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Polchasa bez tebya (Very Sad mix) (t.A.T.u. vs. Rammstein)'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Muffin'
'TPE2' (Band/orchestra/accompaniment)               'Muffin'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/9'
'TSO2'                                              'Muffin'
'TSOP' (Performer sort order)                       'Muffin'
'TXXX:Acoustid Id'                                  '321e0814-7eba-4533-ad21-34a23c16e7f0'
'TXXX:Artists'                                      'Muffin'
'TXXX:MusicBrainz Album Artist Id'                  'ef1ee430-fa87-4d1f-a91b-a771808303b2'
'TXXX:MusicBrainz Album Id'                         '497e688a-809b-4292-b124-3861e6f6a442'
'TXXX:MusicBrainz Album Release Country'            'RU'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album/remix'
'TXXX:MusicBrainz Artist Id'                        'ef1ee430-fa87-4d1f-a91b-a771808303b2'
'TXXX:MusicBrainz Release Group Id'                 '9e2b0715-f7df-391d-b5fe-20b954d40224'
'TXXX:MusicBrainz Release Track Id'                 '63715e61-55ef-3c78-b61d-c397ae669754'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['russian', 'female vocalists', 'japanese', 'folk', 'mash up']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.402210'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c14da960-6f4d-4f0f-bbc3-973291130117')

========================== row from database ==========================
                                              'id'  1407661
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Muffin - /data/pool/compressed/Music/Bulk/00poprockelectronic-elec-synthy-techy/t.A.T.u. and Rammstein - Pruzinki/03 - t.A.T.u and Rammstein - Polchasa Bez Tebya (Very Sad Mix).mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  272
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  7655539
                                           'mtime'  1678465482
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat data pool compressed Music Bulk 00poprockelectronic elec synthy techy and Pruzinki 03 and Bez Tebya Mix) electronic generic or radio dance
                                      'tag_artist'  Muffin
                                     'tag_release'  t.A.T.u. + Rammstein: Pruzhinki
                                       'tag_title'  Polchasa bez tebya (Very Sad mix) (t.A.T.u. vs. Rammstein)
                                             'bpm'  136.0
                                    'search_title'  'a':10 'bez':2 'mix':7,8 'polchasa':1 'rammstein':16,17 'sad':6 't':9,11 'tatu':13 'tebya':3 'u':12 'very':4,5 'vs':14,15
                                   'search_artist'  'muffin':1
                                  'search_release'  'a':2 'pruzhinki':8 'rammstein':6,7 't':1,3 'tatu':5 'u':4
                                     'search_rest'  '00poprockelectronic':1 'and':13 'bez':15 'bulk':9 'compressed':7 'dance':3 'data':5 'elec':10 'electronic':19 'generic':2 'mix':17,18 'music':8 'or':20 'pool':6 'pruzinki':14 'radio':21 'synthy':11 'tebya':16 'techy':12 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':27 'a':10A,20C 'and':39 'bez':2A,41 'bulk':35 'compressed':33 'dance':29 'data':31 'elec':36 'electronic':45 'generic':28 'mix':7A,8A,43,44 'muffin':18B 'music':34 'or':46 'polchasa':1A 'pool':32 'pruzhinki':26C 'pruzinki':40 'radio':47 'rammstein':16A,17A,24C,25C 'sad':6A 'synthy':37 't':9A,11A,19C,21C 'tatu':13A,23C 'tebya':3A,42 'techy':38 'trapbeat':30 'u':12A,22C 'very':4A,5A 'vs':14A,15A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']
                                      'lastfmtags'  ['russian', 'female vocalists', 'japanese', 'folk', 'mash up']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678465482.1981068  (2023-03-10 17:24:42)
                             'size'  7655539