<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '93'
                                          'artist'  'Zakir Hussain &amp; The Rhythm Experience'
                                     'text_people'  ''
                                         'release'  'Zakir Hussain &amp; the Rhythm Experience'
                                           'title'  'Def and Drum'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '8'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '121.264'
                                             'key'  '6A'
                                        'acoustid'  '9dedea81-88b7-463c-85e7-d5c93d411820'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f954215a760>

'TALB' (Album/Movie/Show title)                     'Zakir Hussain &amp; the Rhythm Experience'
'TBPM' (BPM (beats per minute))                     '121.264'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'Def and Drum'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '93000'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Zakir Hussain &amp; The Rhythm Experience'
'TPE2' (Band/orchestra/accompaniment)               'Zakir Hussain &amp; The Rhythm Experience'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Moment! Records'
'TRCK' (Track number/Position in set)               '7/8'
'TSO2'                                              'Hussain, Zakir &amp; Rhythm Experience, The'
'TSOP' (Performer sort order)                       'Hussain, Zakir &amp; Rhythm Experience, The'
'TXXX:ASIN'                                         'B000001641'
'TXXX:Acoustid Id'                                  '9dedea81-88b7-463c-85e7-d5c93d411820'
'TXXX:BARCODE'                                      '731621100724'
'TXXX:CATALOGNUMBER'                                'MRCD 1007'
'TXXX:MusicBrainz Album Artist Id'                  'a198b33b-a907-462d-a437-b6cc1b98b8f7/e95cd303-b5fb-4d90-bbb7-b2b13eebd748'
'TXXX:MusicBrainz Album Id'                         'ded265fc-db65-49ee-a417-ebd49be3b632'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a198b33b-a907-462d-a437-b6cc1b98b8f7/e95cd303-b5fb-4d90-bbb7-b2b13eebd748'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['folk', 'world']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+6.15 dB'
'TXXX:replaygain_track_peak'                        '0.845764'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'947d3323-7d4a-4b37-b387-75c69ec2197c')

========================== row from database ==========================
                                              'id'  926569
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Tabla Beat Science/Zakir Hussain/Zakir Hussain & Rhythm Experience/07 - Def And Drum.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  93
                                           'genre'  loc-m
                                        'filesize'  1880744
                                           'mtime'  1620526593
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Tabla Beat Science 07 And loc
                                      'tag_artist'  Zakir Hussain & The Rhythm Experience
                                     'tag_release'  Zakir Hussain & the Rhythm Experience
                                       'tag_title'  Def and Drum
                                             'bpm'  121.264
                                    'search_title'  'and':2 'def':1 'drum':3
                                   'search_artist'  'experience':5 'hussain':2 'rhythm':4 'the':3 'zakir':1
                                  'search_release'  'experience':5 'hussain':2 'rhythm':4 'the':3 'zakir':1
                                     'search_rest'  '00south':1 'and':8 'beat':6 'east':4 'europe':2 'loc':9 'middle':3 'science':7 'tabla':5
                                    'search_combo'  '00south':14 'and':2A,21 'beat':19 'def':1A 'drum':3A 'east':17 'europe':15 'experience':8B,13C 'hussain':5B,10C 'loc':22 'middle':16 'rhythm':7B,12C 'science':20 'tabla':18 'the':6B,11C 'zakir':4B,9C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'world']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526593.2991378  (2021-05-09 04:16:33)
                             'size'  1880744