======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '219'
                                          'artist'  'LL Cool J'
                                     'text_people'  ''
                                         'release'  'All World'
                                           'title'  "The Boomin' System"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'rnb', 'hip hop', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '16'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '95.8'
                                             'key'  '4A'
                                        'acoustid'  '0b44f6cb-47e2-4065-8118-69a0928caa60'
rest: ''

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

'COMM:ID3v1 Comment:eng'                            'Mrhorse99'
'TALB' (Album/Movie/Show title)                     'All World'
'TBPM' (BPM (beats per minute))                     '95.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-11-01'
'TIT2' (Title/songname/content description)         "The Boomin' System"
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'LL Cool J'
'TPE2' (Band/orchestra/accompaniment)               'LL Cool J'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Def Jam Music Group'
'TRCK' (Track number/Position in set)               '9/16'
'TSO2'                                              'LL Cool J'
'TSOP' (Performer sort order)                       'LL Cool J'
'TSRC' (ISRC (international standard recording code))  'USDJ29000001'
'TSST' (Set subtitle)                               '534 125-2'
'TXXX:ASIN'                                         'B0000071N0'
'TXXX:Acoustid Id'                                  '0b44f6cb-47e2-4065-8118-69a0928caa60'
'TXXX:BARCODE'                                      '731453430327'
'TXXX:CATALOGNUMBER'                                '534 303-2'
'TXXX:MusicBrainz Album Artist Id'                  'a4dd0e77-83b8-4e92-89b7-effb0e47fd8c'
'TXXX:MusicBrainz Album Id'                         '037468a9-2f4e-447e-b82f-8d6978021f78'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'a4dd0e77-83b8-4e92-89b7-effb0e47fd8c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['80s', 'rnb', 'hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.736717'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'715f4f65-078b-4f18-baaa-41d0f24b4990')

========================== row from database ==========================
                                              'id'  1497093
                                            'path'  /data/Music/Bulk/00poprockelectronic/LL Cool J/All World/Ll Cool J - The Boomin_ System - 09.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  219
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  3509624
                                           'mtime'  1620570420
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Ll Boomin_ 09 hip hop rnb rap turntablism
                                      'tag_artist'  LL Cool J
                                     'tag_release'  All World
                                       'tag_title'  The Boomin' System
                                             'bpm'  95.8
                                    'search_title'  'boomin':2,3 'system':4 'the':1
                                   'search_artist'  'cool':2 'j':3 'll':1
                                  'search_release'  'all':1 'world':2
                                     'search_rest'  '00poprockelectronic':1 'boomin':3 'hip':4 'hop':5 'll':2 'rap':7 'rnb':6 'turntablism':8
                                    'search_combo'  '00poprockelectronic':10 'all':8C 'boomin':2A,3A,12 'cool':6B 'hip':13 'hop':14 'j':7B 'll':5B,11 'rap':16 'rnb':15 'system':4A 'the':1A 'turntablism':17 'world':9C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rnb', 'hip hop', 'rap']
                                        'tag_date'  1996
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620570420.3994505  (2021-05-09 16:27:00)
                             'size'  3509624