<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '103.921'
                                        'duration'  '180'
                                          'artist'  'Roland Alphonso'
                                     'text_people'  ''
                                         'release'  'Something Special: Ska Hot Shots'
                                           'title'  'Grand National'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['reggae/roots reggae/skinhead reggae/ska/rocksteady']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '20'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '122.289'
                                             'key'  '7B'
                                        'acoustid'  'a4209c24-88a1-43ed-b05d-1ca87bc8c597'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d75490>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1383645"/>
'TALB' (Album/Movie/Show title)                     'Something Special: Ska Hot Shots'
'TBPM' (BPM (beats per minute))                     '122.289'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Grand National'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Roland Alphonso'
'TPE2' (Band/orchestra/accompaniment)               'Roland Alphonso'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Heartbeat Records'
'TRCK' (Track number/Position in set)               '15/20'
'TSO2'                                              'Alphonso, Roland'
'TSOP' (Performer sort order)                       'Alphonso, Roland'
'TXXX:Acoustid Id'                                  'a4209c24-88a1-43ed-b05d-1ca87bc8c597'
'TXXX:Artists'                                      'Roland Alphonso'
'TXXX:CATALOGNUMBER'                                'HB 228'
'TXXX:MusicBrainz Album Artist Id'                  'dc340029-a165-4139-a80e-e1cae33b37b9'
'TXXX:MusicBrainz Album Id'                         '6006b201-9641-4f68-8e31-6ff005e2913d'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'dc340029-a165-4139-a80e-e1cae33b37b9'
'TXXX:MusicBrainz Release Group Id'                 'c898dad3-da2e-3b78-bdaf-d85aff0e5406'
'TXXX:MusicBrainz Release Track Id'                 '27e7897a-d343-333e-a889-f36759c78d91'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   'reggae/roots reggae/skinhead reggae/ska/rocksteady'
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.424469'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'142e8cf3-4d10-42fd-b026-4ae0f5769800')

========================== row from database ==========================
                                              'id'  1383645
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Something Special Ska Hot Shots/15 - Grand National.mp3
                                         'working'  None
                                         'bitrate'  103
                                    'duration_sec'  180
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  2400539
                                           'mtime'  1620522310
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 15 loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  Roland Alphonso
                                     'tag_release'  Something Special: Ska Hot Shots
                                       'tag_title'  Grand National
                                             'bpm'  122.289
                                    'search_title'  'grand':1 'national':2
                                   'search_artist'  'alphonso':2 'roland':1
                                  'search_release'  'hot':5 'shots':6 'ska':4 'something':1 'special':2,3
                                     'search_rest'  '00reggae':1 'dancehall':8 'dub':2 'loc':3 'or':6 'reggae':5 'ska':7 'style':4
                                    'search_combo'  '00reggae':11 'alphonso':4B 'dancehall':18 'dub':12 'grand':1A 'hot':9C 'loc':13 'national':2A 'or':16 'reggae':15 'roland':3B 'shots':10C 'ska':8C,17 'something':5C 'special':6C,7C 'style':14
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['reggae/roots reggae/skinhead reggae/ska/rocksteady']
                                        'tag_date'  2000
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620522310.0335948  (2021-05-09 03:05:10)
                             'size'  2400539