======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '244'
                                          'artist'  'Ahmad Jamal'
                                     'text_people'  ''
                                         'release'  'The Legendary Ahmad Jamal Trio Live'
                                           'title'  "What's New"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'Q-PIANO-3', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-bebop or cool or beat'
                                             'bpm'  '84.455'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000011F 0000012F 00004B48'
'COMM:iTunNORM:eng'                                 (' 0000011F 0000012F 00004B48 000050A5 0001DD30 0001DD30 0000502A 000055C3 '
 '0003A8B0 0003A8B0')
'TALB' (Album/Movie/Show title)                     'The Legendary Ahmad Jamal Trio Live'
'TBPM' (BPM (beats per minute))                     '84.455'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-bebop or cool or beat'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         "What's New"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '244600'
'TPE1' (Lead performer(s)/Soloist(s))               'Ahmad Jamal'
'TPE2' (Band/orchestra/accompaniment)               'Ahmad Jamal'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.28 dB'
'TXXX:replaygain_track_peak'                        '0.947584'

========================== row from database ==========================
                                              'id'  1497761
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00jazzes/Ahmad Jamal (Complete Discography)/Ahmad Jamal - (The Legendary Ahmad Jamal Trio Live) - 08 - What_s New.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  244
                                           'genre'  prerock-jb-jazz-bebop or cool or beat
                                        'filesize'  9786883
                                           'mtime'  1620523953
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00jazzes (Complete Discography) (The Live) 08 What_s prerock jb jazz bebop or cool or beat
                                      'tag_artist'  Ahmad Jamal
                                     'tag_release'  The Legendary Ahmad Jamal Trio Live
                                       'tag_title'  What's New
                                             'bpm'  84.455
                                    'search_title'  'new':4 's':2 'what':1 'whats':3
                                   'search_artist'  'ahmad':1 'jamal':2
                                  'search_release'  'ahmad':3 'jamal':4 'legendary':2 'live':6 'the':1 'trio':5
                                     'search_rest'  '00jazzes':5 'beat':21 'bebop':18 'complete':6,7 'cool':20 'country':4 'discography':8,9 'exotica':2 'jazz':1 'jb':17 'live':12,13 'oldies':3 'or':19 'prerock':16 's':15 'the':10,11 'what':14
                                    'search_combo'  '00jazzes':17 'ahmad':5B,9C 'beat':33 'bebop':30 'complete':18,19 'cool':32 'country':16 'discography':20,21 'exotica':14 'jamal':6B,10C 'jazz':13 'jb':29 'legendary':8C 'live':12C,24,25 'new':4A 'oldies':15 'or':31 'prerock':28 's':2A,27 'the':7C,22,23 'trio':11C 'what':1A,26 'whats':3A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1958
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620523953.1091323  (2021-05-09 03:32:33)
                             'size'  9786883