<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '195.45'
                                        'duration'  '217'
                                          'artist'  'Lobsterdust'
                                     'text_people'  'Bootie'
                                         'release'  'Best of Bootie 2007'
                                           'title'  "Walkin' Out Yo Girlfriend (Unk vs. Avril Lavigne vs. Toni Basil)"
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', "
 "'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['electronic', 'dance', 'mashup', 'all', 'dj']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '21'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'set-mashup or collage'
                                             'bpm'  '109.231'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382f1e20>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1504375"/>
'COMM:ID3v1 Comment:XXX'                            ' 000014D2 00001507 00007F05'
'COMM:iTunNORM:eng'                                 (' 000014D2 00001507 00007F05 0000856C 0001D7BC 00026C4E 00007FFF 00007FFF '
 '0000001A 00000187')
'COMM:iTunPGAP:eng'                                 '1'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B4C 00000000009205A4 00000000 0050DB45 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '2A11AC15+339468+21+150+3052+18984+40546+60645+74281+96511+120368+138218+157713+168926+183305+198604+220356+235109+250200+260424+276699+294263+312919+322437'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '17'
'TALB' (Album/Movie/Show title)                     'Best of Bootie 2007'
'TBPM' (BPM (beats per minute))                     '109.231'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Bootie'
'TCON' (Content type, a.k.a. Genre)                 'set-mashup or collage'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.5'
'TIT2' (Title/songname/content description)         "Walkin' Out Yo Girlfriend (Unk vs. Avril Lavigne vs. Toni Basil)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lobsterdust'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17/21'
'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:lastfmtags'                                   ['electronic', 'dance', 'mashup', 'all', 'dj']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.400346'

========================== row from database ==========================
                                              'id'  1504375
                                            'path'  /data/Music/Bulk/00poprockelectronic/Best of Bootie 2007/17 Walkin_ Out Yo Girlfriend (Unk vs.mp3
                                         'working'  None
                                         'bitrate'  195
                                    'duration_sec'  217
                                           'genre'  set-mashup or collage
                                        'filesize'  5436437
                                           'mtime'  1621696112
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 17 Walkin_ set mashup or collage
                                      'tag_artist'  Lobsterdust
                                     'tag_release'  Best of Bootie 2007
                                       'tag_title'  Walkin' Out Yo Girlfriend (Unk vs. Avril Lavigne vs. Toni Basil)
                                             'bpm'  109.231
                                    'search_title'  'avril':10 'basil':13,14 'girlfriend':5 'lavigne':11 'out':3 'toni':12 'unk':6,7 'vs':8,9 'walkin':1,2 'yo':4
                                   'search_artist'  'lobsterdust':1
                                  'search_release'  '2007':4 'best':1 'bootie':3 'of':2
                                     'search_rest'  '00poprockelectronic':1 'collage':6 'mashup':4 'or':5 'set':3 'walkin':2
                                    'search_combo'  '00poprockelectronic':20 '2007':19C 'avril':10A 'basil':13A,14A 'best':16C 'bootie':18C 'collage':25 'girlfriend':5A 'lavigne':11A 'lobsterdust':15B 'mashup':23 'of':17C 'or':24 'out':3A 'set':22 'toni':12A 'unk':6A,7A 'vs':8A,9A 'walkin':1A,2A,21 'yo':4A
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'dance', 'mashup', 'all', 'dj']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696112.1426437  (2021-05-22 17:08:32)
                             'size'  5436437