======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '398'
                                          'artist'  'Ahmad Jamal'
                                     'text_people'  ''
                                         'release'  'The Essence, Part II - Big Byrd'
                                           'title'  "There's A Lull In My Life"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-bebop or cool or beat'
                                             'bpm'  '125.006'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Essence, Part II - Big Byrd'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-bebop or cool or beat'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "There's A Lull In My Life"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ahmad Jamal'
'TPE2' (Band/orchestra/accompaniment)               'Ahmad Jamal'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.56 dB'
'TXXX:replaygain_track_peak'                        '0.832053'

========================== row from database ==========================
                                              'id'  1517203
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00jazzes/Ahmad Jamal (Complete Discography)/Ahmad Jamal - (The Essence, Part II - Big Byrd) - 02 - There_s A Lull In My Life.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  398
                                           'genre'  prerock-jb-jazz-bebop or cool or beat
                                        'filesize'  16247877
                                           'mtime'  1620573888
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00jazzes (Complete Discography) (The Byrd) 02 There_s prerock jb jazz bebop or cool or beat
                                      'tag_artist'  Ahmad Jamal
                                     'tag_release'  The Essence, Part II - Big Byrd
                                       'tag_title'  There's A Lull In My Life
                                             'bpm'  125.006
                                    'search_title'  'a':4 'in':6 'life':8 'lull':5 'my':7 's':2 'there':1 'theres':3
                                   'search_artist'  'ahmad':1 'jamal':2
                                  'search_release'  'big':6 'byrd':7 'essence':2,3 'ii':5 'part':4 'the':1
                                     'search_rest'  '00jazzes':5 'beat':21 'bebop':18 'byrd':12,13 'complete':6,7 'cool':20 'country':4 'discography':8,9 'exotica':2 'jazz':1 'jb':17 'oldies':3 'or':19 'prerock':16 's':15 'the':10,11 'there':14
                                    'search_combo'  '00jazzes':22 'a':4A 'ahmad':9B 'beat':38 'bebop':35 'big':16C 'byrd':17C,29,30 'complete':23,24 'cool':37 'country':21 'discography':25,26 'essence':12C,13C 'exotica':19 'ii':15C 'in':6A 'jamal':10B 'jazz':18 'jb':34 'life':8A 'lull':5A 'my':7A 'oldies':20 'or':36 'part':14C 'prerock':33 's':2A,32 'the':11C,27,28 'there':1A,31 'theres':3A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1997
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620573888.1325102  (2021-05-09 17:24:48)
                             'size'  16247877