======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '349'
                                          'artist'  'Ahmad Jamal'
                                     'text_people'  ''
                                         'release'  'The Essence, Part I'
                                           'title'  'Lover Man (Oh, Where Can You Be?)'
                                           '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'  '04'
                                      'tracktotal'  '8'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-bebop or cool or beat'
                                             'bpm'  '138.702'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Essence, Part I'
'TBPM' (BPM (beats per minute))                     '138.702'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-bebop or cool or beat'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Lover Man (Oh, Where Can You Be?)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ahmad Jamal'
'TPE2' (Band/orchestra/accompaniment)               'Ahmad Jamal'
'TRCK' (Track number/Position in set)               '04/8'
'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'                        '+1.90 dB'
'TXXX:replaygain_track_peak'                        '0.993917'

========================== row from database ==========================
                                              'id'  1106310
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00jazzes/Ahmad Jamal (Complete Discography)/Ahmad Jamal - (The Essence, Part I) - 04 - Lover Man (Oh, Where Can You Be).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  349
                                           'genre'  prerock-jb-jazz-bebop or cool or beat
                                        'filesize'  14010102
                                           'mtime'  1620573883
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00jazzes (Complete Discography) (The I) 04 Be) prerock jb jazz bebop or cool or beat
                                      'tag_artist'  Ahmad Jamal
                                     'tag_release'  The Essence, Part I
                                       'tag_title'  Lover Man (Oh, Where Can You Be?)
                                             'bpm'  138.702
                                    'search_title'  'be':8,9 'can':6 'lover':1 'man':2 'oh':3,4 'where':5 'you':7
                                   'search_artist'  'ahmad':1 'jamal':2
                                  'search_release'  'essence':2,3 'i':5 'part':4 'the':1
                                     'search_rest'  '00jazzes':5 'be':14,15 'beat':21 'bebop':18 'complete':6,7 'cool':20 'country':4 'discography':8,9 'exotica':2 'i':12,13 'jazz':1 'jb':17 'oldies':3 'or':19 'prerock':16 'the':10,11
                                    'search_combo'  '00jazzes':21 'ahmad':10B 'be':8A,9A,30,31 'beat':37 'bebop':34 'can':6A 'complete':22,23 'cool':36 'country':20 'discography':24,25 'essence':13C,14C 'exotica':18 'i':16C,28,29 'jamal':11B 'jazz':17 'jb':33 'lover':1A 'man':2A 'oh':3A,4A 'oldies':19 'or':35 'part':15C 'prerock':32 'the':12C,26,27 'where':5A 'you':7A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  5A
                                           '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'  ['q-vocals-1', 'q-piano-4', 'q-mixbeat-1', 'Q-PIANO-4', 'q-play-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                        'tag_date'  1995
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620573882.728994  (2021-05-09 17:24:42)
                             'size'  14010102