======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '258'
                                          'artist'  'Darude'
                                     'text_people'  ''
                                         'release'  'Before the Storm'
                                           'title'  'Feel the Beat'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'trance', 'techno', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '11'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '137.852'
                                             'key'  '2A'
                                        'acoustid'  '895ae620-c5c2-4228-9816-45ad90148163'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Before the Storm'
'TBPM' (BPM (beats per minute))                     '137.852'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2001-02-13'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['arranger', '䨀愀愀欀欀漀\u2000匀愀氀漀瘀愀愀爀愀'], ['愀爀爀愀渀最攀爀', '嘀椀氀氀攀\u2000嘀椀爀琀愀渀攀渀']])
'TIT2' (Title/songname/content description)         'Feel the Beat'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Darude'
'TPE2' (Band/orchestra/accompaniment)               'Darude'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Groovilicious'
'TRCK' (Track number/Position in set)               '3/11'
'TSO2'                                              'Darude'
'TSOP' (Performer sort order)                       'Darude'
'TSRC' (ISRC (international standard recording code))  'DEN120002508/FISGC0000001'
'TXXX:Acoustid Id'                                  '895ae620-c5c2-4228-9816-45ad90148163'
'TXXX:BARCODE'                                      '732183510624'
'TXXX:CATALOGNUMBER'                                'GM LP 106 CD'
'TXXX:MusicBrainz Album Artist Id'                  '9ffad8aa-b671-4a9a-a527-a95bdaaa0ec4'
'TXXX:MusicBrainz Album Id'                         '75683f8d-03b1-43b2-be68-d4a6e862ef1f'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9ffad8aa-b671-4a9a-a527-a95bdaaa0ec4'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'trance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.27 dB'
'TXXX:replaygain_track_peak'                        '0.482285'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'15d9044b-0d87-41d5-acd1-9988f55169ba')

========================== row from database ==========================
                                              'id'  1330151
                                            'path'  /data/Music/Bulk/00poprockelectronic/Darude/Darude - Before The Storm - 03 - Feel The Beat.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  258
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  10356068
                                           'mtime'  1621696156
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic The 03 The electronic generic radio dance
                                      'tag_artist'  Darude
                                     'tag_release'  Before the Storm
                                       'tag_title'  Feel the Beat
                                             'bpm'  137.852
                                    'search_title'  'beat':3 'feel':1 'the':2
                                   'search_artist'  'darude':1
                                  'search_release'  'before':1 'storm':3 'the':2
                                     'search_rest'  '00poprockelectronic':1 'dance':6 'electronic':3 'generic':4 'radio':5 'the':2
                                    'search_combo'  '00poprockelectronic':8 'beat':3A 'before':5C 'dance':13 'darude':4B 'electronic':10 'feel':1A 'generic':11 'radio':12 'storm':7C 'the':2A,6C,9
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696155.6026196  (2021-05-22 17:09:15)
                             'size'  10356068