======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '178'
                                          'artist'  'M-.-n'
                                     'text_people'  ''
                                         'release'  'Disco Dust'
                                           'title'  'usabikch'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['8 bit', 'chiptune', '8bit', 'electronic', 'chiptune awesome']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '6'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-experimental;electronic-we-beeps or chip or pico'
                                             'bpm'  '151'
                                             'key'  '4A'
                                        'acoustid'  'cc11edd2-55ae-4f26-aaf0-8388c5c529e1'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:{!\x00\x00'                      PRIV(owner='AverageLevel', data=b'{!\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Disco Dust'
'TBPM' (BPM (beats per minute))                     '151'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental', 'electronic-we-beeps or chip or pico']
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-12-25'
'TIT2' (Title/songname/content description)         'usabikch'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'M-.-n'
'TPE2' (Band/orchestra/accompaniment)               'M-.-n'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '8bitpeoples'
'TRCK' (Track number/Position in set)               '3/6'
'TSO2'                                              'M-.-n'
'TSOP' (Performer sort order)                       'M-.-n'
'TXXX:Acoustid Id'                                  'cc11edd2-55ae-4f26-aaf0-8388c5c529e1'
'TXXX:Artists'                                      'M-.-n'
'TXXX:CATALOGNUMBER'                                '8BP090'
'TXXX:Discogs_Catalog'                              '8BP090'
'TXXX:Discogs_Country'                              'US'
'TXXX:Discogs_Release_ID'                           '1596000'
'TXXX:MusicBrainz Album Artist Id'                  '95f9f1ef-4c6b-4181-b33a-c1753b0faee1'
'TXXX:MusicBrainz Album Id'                         'fdb56d5a-82e0-4481-a94e-f3c096e0ffc1'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '95f9f1ef-4c6b-4181-b33a-c1753b0faee1'
'TXXX:MusicBrainz Release Group Id'                 'c8262827-3aed-40f3-b7d3-8ba1d7414c8a'
'TXXX:MusicBrainz Release Track Id'                 '02ea0442-c579-311e-bdbb-6df8f6aaf5f1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Style'                                        'Chiptune'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['8 bit', 'chiptune', '8bit', 'electronic', 'chiptune awesome']
'TXXX:originalyear'                                 '2008'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.07 dB'
'TXXX:replaygain_track_peak'                        '0.318756'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a1e48706-accf-42ab-94b5-2210fd8e5fd1')

========================== row from database ==========================
                                              'id'  1294668
                                            'path'  /data/Music/Bulk/00poprockelectronic/m-.-n - (2008) Disco Dust/03 - Usabikch.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  178
                                           'genre'  electronic-experimental;electronic-we-beeps or chip or pico
                                        'filesize'  4317127
                                           'mtime'  1636472083
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic m (2008) 03 Usabikch electronic experimental;electronic we beeps or chip or pico
                                      'tag_artist'  M-.-n
                                     'tag_release'  Disco Dust
                                       'tag_title'  usabikch
                                             'bpm'  151.0
                                    'search_title'  'usabikch':1
                                   'search_artist'  'm':1 'mn':3 'n':2
                                  'search_release'  'disco':1 'dust':2
                                     'search_rest'  '00poprockelectronic':1 '2008':3,4 'beeps':12 'chip':14 'electronic':6,8,10 'experimental':7,9 'm':2 'or':13 'pico':15 'usabikch':5 'we':11
                                    'search_combo'  '00poprockelectronic':7 '2008':9,10 'beeps':18 'chip':20 'disco':5C 'dust':6C 'electronic':12,14,16 'experimental':13,15 'm':2B,8 'mn':4B 'n':3B 'or':19 'pico':21 'usabikch':1A,11 'we':17
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['8 bit', 'chiptune', '8bit', 'electronic', 'chiptune awesome']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636472083.2268817  (2021-11-09 16:34:43)
                             'size'  4317127