<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '190'
                                          'artist'  'The Paragons'
                                     'text_people'  ''
                                         'release'  'Trojan Jamaica Box Set'
                                           'title'  'Island in the Sun'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jamaica', 'reggae', 'ska', 'jamaican', 'rocksteady']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '17'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '97'
                                             'key'  '5B'
                                        'acoustid'  'c197d72f-e851-4930-8eac-628143e6c6d4'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d818b0>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1388070"/>
'PRIV:AverageLevel:{\x17\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x17\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Trojan Jamaica Box Set'
'TBPM' (BPM (beats per minute))                     '97'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-08-23'
'TIT2' (Title/songname/content description)         'Island in the Sun'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Paragons'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/3'
'TPUB' (Publisher)                                  'Trojan Records'
'TRCK' (Track number/Position in set)               '13/17'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Paragons, The'
'TXXX:ASIN'                                         'B0002HSECW'
'TXXX:Acoustid Id'                                  'c197d72f-e851-4930-8eac-628143e6c6d4'
'TXXX:Artists'                                      'The Paragons'
'TXXX:CATALOGNUMBER'                                'TJETD 199'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'e3871801-2ce0-4d3e-9629-0fd4c8ec5ee1'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'be976b44-a297-425c-be6a-a648418b3161'
'TXXX:MusicBrainz Release Group Id'                 '1116a571-6eea-38ce-a39b-5b0dc74f8f6b'
'TXXX:MusicBrainz Release Track Id'                 '17d23871-36fa-37c6-8610-16fa92338eef'
'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:lastfmtags'                                   ['jamaica', 'reggae', 'ska', 'jamaican', 'rocksteady']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.421889'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ee7a71af-2a8f-40e1-a073-9978bf5e7d2b')
'USLT::XXX'                                         ('This is my island in the sun\n'
 'Where my people have toiled since time begun\n'
 'I may sail on many a sea\n'
 'Her shores will always be home to me\n'
 '\n'
 'Oh, island in the sun\n'
 "Build to me by my father's hand\n"
 'All my days I will sing in praise\n'
 'Of your forest, waters, your shining sand\n'
 '\n'
 'As morning breaks the heaven on high\n'
 'I lift my heavy load to the sky\n'
 'Sun comes down with a burning glow\n'
 'Mingles my sweat with the earth below\n'
 '\n'
 'Oh, island in the sun\n'
 "Build to me by my father's hand\n"
 'All my days I will sing in praise\n'
 'Of your forest, waters, your shining sand\n'
 '\n'
 'I see woman on bended knee\n'
 'Cutting cane for her family\n'
 'I see man at the waterside\n'
 'Casting nets at the surging tide\n'
 '\n'
 'Oh, island in the sun\n'
 "Build to me by my father's hand\n"
 'All my days I will sing in praise\n'
 'Of your forest, waters, your shining sand\n'
 '\n'
 'I pray the day will never come\n'
 "When I can't awake to the sound of drum\n"
 'Never let me miss carnival\n'
 'With calypso songs philosophical\n'
 '\n'
 'Oh, island in the sun\n'
 "Build to me by my father's hand\n"
 'All my days I will sing in praise\n'
 'Of your forest, waters, your shining sand')

========================== row from database ==========================
                                              'id'  1388070
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Disc 1_/13 - the paragons - island in the sun.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  190
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  7677948
                                           'mtime'  1620521278
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub Disc 1_ 13 paragons island sun loc style reggae or dub or ska or dancehall dub roots reggae
                                      'tag_artist'  The Paragons
                                     'tag_release'  Trojan Jamaica Box Set
                                       'tag_title'  Island in the Sun
                                             'bpm'  97.0
                                    'search_title'  'in':2 'island':1 'sun':4 'the':3
                                   'search_artist'  'paragons':2 'the':1
                                  'search_release'  'box':3 'jamaica':2 'set':4 'trojan':1
                                     'search_rest'  '00reggae':1 '1':4 'dancehall':13 'disc':3 'dub':2 'island':6 'loc':8 'or':11 'paragons':5 'reggae':10 'roots':14 'ska':12 'style':9 'sun':7
                                    'search_combo'  '00reggae':11 '1':14 'box':9C 'dancehall':23 'disc':13 'dub':12 'in':2A 'island':1A,16 'jamaica':8C 'loc':18 'or':21 'paragons':6B,15 'reggae':20 'roots':24 'set':10C 'ska':22 'style':19 'sun':4A,17 'the':3A,5B 'trojan':7C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jamaica', 'reggae', 'ska', 'jamaican', 'rocksteady']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521277.907012  (2021-05-09 02:47:57)
                             'size'  7677948