<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '262'
                                          'artist'  'Third Realm'
                                     'text_people'  ''
                                         'release'  'Love Is the Devil'
                                           'title'  'Sleeping Beauty'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-2', 'q-bass-2', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-3']")
                                      'lastfmtags'  "['dark electro', 'darkwave', 'ebm', 'industrial', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '13'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '130.0'
                                             'key'  '8A'
                                        'acoustid'  '324771e7-a450-4cae-858e-93ae9917a5a4'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382daca0>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1488397"/>
'TALB' (Album/Movie/Show title)                     'Love Is the Devil'
'TBPM' (BPM (beats per minute))                     '130.0'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-05-26'
'TIT2' (Title/songname/content description)         'Sleeping Beauty'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD-R'
'TPE1' (Lead performer(s)/Soloist(s))               'Third Realm'
'TPE2' (Band/orchestra/accompaniment)               'Third Realm'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Radio-Active-Music.com'
'TRCK' (Track number/Position in set)               '4/13'
'TSO2'                                              'Third Realm'
'TSOP' (Performer sort order)                       'Third Realm'
'TSRC' (ISRC (international standard recording code))  'USCGH1621164'
'TXXX:Acoustid Id'                                  '324771e7-a450-4cae-858e-93ae9917a5a4'
'TXXX:Artists'                                      'Third Realm'
'TXXX:BARCODE'                                      '190394198862'
'TXXX:CATALOGNUMBER'                                'RAM 015'
'TXXX:LABEL'                                        'Third Realm'
'TXXX:MusicBrainz Album Artist Id'                  '02c78165-640f-4c9c-98a1-5225a646b315'
'TXXX:MusicBrainz Album Id'                         '028b392d-a412-4ce9-9e9a-6550b204d283'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '02c78165-640f-4c9c-98a1-5225a646b315'
'TXXX:MusicBrainz Release Group Id'                 'b878f25f-89a7-4e27-ab21-6b83a42112bc'
'TXXX:MusicBrainz Release Track Id'                 '2e630e3d-e5bf-3505-9621-193b779ce1c0'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dark electro', 'darkwave', 'ebm', 'industrial', 'synthpop']
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.43 dB'
'TXXX:replaygain_track_peak'                        '0.424913'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'87790295-a692-426a-a97a-bf28c3e916e8')

========================== row from database ==========================
                                              'id'  1488397
                                            'path'  /data/Music/Bulk/00dwimp/2009 - Love Is the Devil/04 - Third Realm - Sleeping Beauty.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  262
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  10554625
                                           'mtime'  1620296093
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 2009 04 eid ebm or industrial or darkwave
                                      'tag_artist'  Third Realm
                                     'tag_release'  Love Is the Devil
                                       'tag_title'  Sleeping Beauty
                                             'bpm'  130.0
                                    'search_title'  'beauty':2 'sleeping':1
                                   'search_artist'  'realm':2 'third':1
                                  'search_release'  'devil':4 'is':2 'love':1 'the':3
                                     'search_rest'  '00dwimp':1 '2009':2 'darkwave':7 'ebm':4 'eid':3 'industrial':6 'or':5
                                    'search_combo'  '00dwimp':9 '2009':10 'beauty':2A 'darkwave':15 'devil':8C 'ebm':12 'eid':11 'industrial':14 'is':6C 'love':5C 'or':13 'realm':4B 'sleeping':1A 'the':7C 'third':3B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-3', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-1', 'Q-PLAY-2', 'q-bass-2']
                                      'lastfmtags'  ['dark electro', 'darkwave', 'ebm', 'industrial', 'synthpop']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296092.6188688  (2021-05-06 12:14:52)
                             'size'  10554625