======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '244'
                                          'artist'  'Aqua'
                                     'text_people'  'Claus Norreen/J. Pederson/K. Delgado/René Dif/Søren Rasted'
                                         'release'  'Aquarium'
                                           'title'  'Good Morning Sunshine'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'eurodance', 'europop', 'pop', '90s']"
                                     'discogstags'  "['electronic', 'pop', 'europop', 'euro house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '11'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-europop'
                                             'bpm'  '133.228'
                                             'key'  '8A'
                                        'acoustid'  '99184df8-e60d-4155-8cda-3a6a759ede38'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'B\x00+\x00B\x004\x00+\x004\x000\x005\x006\x00+\x007\x00C\x004\x000\x00+\x00B\x006\x003\x00B\x00+\x00F\x00D\x00C\x008\x00+\x001\x003\x009\x005\x000\x00+\x001\x007\x008\x004\x00F\x00+\x001\x00C\x005\x005\x00D\x00+\x002\x000\x004\x00D\x007\x00+\x002\x004\x006\x00F\x00B\x00+\x002\x008\x00F\x00F\x00D\x00+\x002\x00C\x00E\x005\x002\x00\x00\x00')
'PRIV:AverageLevel:{\x1c\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1c\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x003\x001\x005\x005\x005\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x002\x005\x004\x003\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x003\x009\x002\x003\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x003\x001\x005\x005\x005\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x002\x005\x004\x003\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x003\x009\x002\x003\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:2\x85\x9c:\x1cÿZL\x9a\x86¹ssvF\x85'  PRIV(owner='WM/WMCollectionGroupID', data=b'2\x85\x9c:\x1c\xffZL\x9a\x86\xb9ssvF\x85')
'PRIV:WM/WMCollectionID:2\x85\x9c:\x1cÿZL\x9a\x86¹ssvF\x85'  PRIV(owner='WM/WMCollectionID', data=b'2\x85\x9c:\x1c\xffZL\x9a\x86\xb9ssvF\x85')
'PRIV:WM/WMContentID:ë\x9fòôß\x95ÐJ¹¨3k®\x07sô'     PRIV(owner='WM/WMContentID', data=b'\xeb\x9f\xf2\xf4\xdf\x95\xd0J\xb9\xa83k\xae\x07s\xf4')
'TALB' (Album/Movie/Show title)                     'Aquarium'
'TBPM' (BPM (beats per minute))                     '133.228'
'TCOM' (Composer)                                   'Claus Norreen/J. Pederson/K. Delgado/René Dif/Søren Rasted'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-europop'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-10-27'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['guitar', 'Douglas Carr'], ['guitar', 'Claus Hvass'], ['guitar', 'Jan Langhoff']])
'TIT2' (Title/songname/content description)         'Good Morning Sunshine'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '244226'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Aqua'
'TPE2' (Band/orchestra/accompaniment)               'Aqua'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Universal'
'TRCK' (Track number/Position in set)               '4/11'
'TSO2'                                              'Aqua'
'TSOP' (Performer sort order)                       'Aqua'
'TSRC' (ISRC (international standard recording code))  'DKBKA9700404'
'TXXX:ASIN'                                         'B000024VSO'
'TXXX:Acoustid Id'                                  '99184df8-e60d-4155-8cda-3a6a759ede38'
'TXXX:BARCODE'                                      '602488502023'
'TXXX:CATALOGNUMBER'                                'UMD 85020'
'TXXX:MusicBrainz Album Artist Id'                  'a1ed5e33-22ff-4e7d-a457-42f4309e135f'
'TXXX:MusicBrainz Album Id'                         '33255b30-d5db-33af-8a05-5873a2445426'
'TXXX:MusicBrainz Album Release Country'            'DK'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a1ed5e33-22ff-4e7d-a457-42f4309e135f'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'pop', 'europop', 'euro house']
'TXXX:lastfmtags'                                   ['dance', 'eurodance', 'europop', 'pop', '90s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.515125'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'bcf78678-6154-4e9f-8c75-0927da182e3a')

========================== row from database ==========================
                                              'id'  1353659
                                            'path'  /data/Music/Bulk/00poprockelectronic/Aqua/[1997] Aquarium/04 Good Morning Sunshine.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  244
                                           'genre'  electronic-th-ent-europop
                                        'filesize'  9862411
                                           'mtime'  1621642162
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [1997] 04 electronic th ent europop
                                      'tag_artist'  Aqua
                                     'tag_release'  Aquarium
                                       'tag_title'  Good Morning Sunshine
                                             'bpm'  133.228
                                    'search_title'  'good':1 'morning':2 'sunshine':3
                                   'search_artist'  'aqua':1
                                  'search_release'  'aquarium':1
                                     'search_rest'  '00poprockelectronic':1 '1997':2,3 'electronic':4 'ent':6 'europop':7 'th':5
                                    'search_combo'  '00poprockelectronic':6 '1997':7,8 'aqua':4B 'aquarium':5C 'electronic':9 'ent':11 'europop':12 'good':1A 'morning':2A 'sunshine':3A 'th':10
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'eurodance', 'europop', 'pop', '90s']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'pop', 'europop', 'euro house']

============================== file details ==============================
                                           'mtime'  1621642161.8186717  (2021-05-22 02:09:21)
                             'size'  9862411