======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '546'
                                          'artist'  'Hermans'
                                     'text_people'  ''
                                         'release'  'KLS 303'
                                           'title'  'Track 4 Hedz'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '6'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '126.0'
                                             'key'  '4B'
                                        'acoustid'  'c64e1aa5-6565-4679-a367-e7a55893deee'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:http://www.cdtag.com:\x01\x01@QÊ\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x01\x01@Q\xca\x00')
'TALB' (Album/Movie/Show title)                     'KLS 303'
'TBPM' (BPM (beats per minute))                     '126.0'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-11-04'
'TIT2' (Title/songname/content description)         'Track 4 Hedz'
'TKEY' (Initial key)                                '4B'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Hermans'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Klasse Recordings'
'TRCK' (Track number/Position in set)               '3/6'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Hermans'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'TXXX:Acoustid Id'                                  'c64e1aa5-6565-4679-a367-e7a55893deee'
'TXXX:CATALOGNUMBER'                                'KLS 303'
'TXXX:Catalog #'                                    'Klasse Recordings'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'd7ff42dc-beb3-48cb-aa48-475f908b6e46'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Artist Id'                        '56f66974-e1b5-410d-a97f-1a35f97b83d3'
'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:Release type'                                 'Digital Release'
'TXXX:Rip date'                                     '2013-11-10'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Source'                                       'WEB'
'TXXX:WWWAUDIOFILE'                                 'electrobuzz.me'
'TXXX:WWWCOPYRIGHT'                                 'electrobuzz.me'
'TXXX:WWWPUBLISHER'                                 'electrobuzz.me'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.452731'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a800d727-300a-45a3-9369-607829f0a474')

========================== row from database ==========================
                                              'id'  1385016
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Hans Berg & Johanna Knutsson - VA - KLS 303 [Klasse Recordings]/Hermans-Track 4 Hedz (Original Mix) [Klasse Recordings].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  546
                                           'genre'  electronic-th-techno
                                        'filesize'  21931726
                                           'mtime'  1620563701
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Hans Berg & Johanna Knutsson VA [Klasse Recordings] (Original Mix) [Klasse Recordings] electronic th techno
                                      'tag_artist'  Hermans
                                     'tag_release'  KLS 303
                                       'tag_title'  Track 4 Hedz
                                             'bpm'  126.0
                                    'search_title'  '4':2 'hedz':3 'track':1
                                   'search_artist'  'hermans':1
                                  'search_release'  '303':2 'kls':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'berg':7 'electronic':19 'hans':6 'harder':4 'house':3 'johanna':8 'klasse':11,12 'knutsson':9 'mix':17,18 'original':15,16 'recordings':13,14 'techno':21 'th':20 'va':10
                                    'search_combo'  '00poprockelectronic':7 '00techno':8 '303':6C '4':2A 'beats':11 'berg':13 'electronic':25 'hans':12 'harder':10 'hedz':3A 'hermans':4B 'house':9 'johanna':14 'klasse':17,18 'kls':5C 'knutsson':15 'mix':23,24 'original':21,22 'recordings':19,20 'techno':27 'th':26 'track':1A 'va':16
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2013
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620563700.6430988  (2021-05-09 14:35:00)
                             'size'  21931726