======================== unified (from filesystem) ========================
                                         'bitrate'  '179.629'
                                        'duration'  '433'
                                          'artist'  'Chet Baker'
                                     'text_people'  ''
                                         'release'  "Isn't It Romantic?"
                                           'title'  'Look For The Silver Lining'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-1', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'blues', 'jazz', 'trumpet', 'cool jazz']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '10'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-bebop or cool or beat'
                                             'bpm'  '115.722'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '8B0EBB0A'
'COMM:ID3v1 Comment:XXX'                            '8B0EBB0A'
'TALB' (Album/Movie/Show title)                     "Isn't It Romantic?"
'TBPM' (BPM (beats per minute))                     '115.722'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-bebop or cool or beat'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Look For The Silver Lining'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chet Baker'
'TRCK' (Track number/Position in set)               '7/10'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['vocal jazz', 'blues', 'jazz', 'trumpet', 'cool jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.36 dB'
'TXXX:replaygain_track_peak'                        '0.500380'

========================== row from database ==========================
                                              'id'  1527688
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Chet Baker/Isn_t It Romantic-/Chet Baker - 07 - Look For The Silver Lining.mp3
                                         'working'  None
                                         'bitrate'  179
                                    'duration_sec'  433
                                           'genre'  prerock-jb-jazz-bebop or cool or beat
                                        'filesize'  9743801
                                           'mtime'  1620523996
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Isn_t 07 prerock jb jazz bebop cool beat
                                      'tag_artist'  Chet Baker
                                     'tag_release'  Isn't It Romantic?
                                       'tag_title'  Look For The Silver Lining
                                             'bpm'  115.722
                                    'search_title'  'for':2 'lining':5 'look':1 'silver':4 'the':3
                                   'search_artist'  'baker':2 'chet':1
                                  'search_release'  'isn':1 'isnt':3 'it':4 'romantic':5 't':2
                                     'search_rest'  'beat':11 'bebop':9 'cool':10 'country':4 'exotica':2 'isn':5 'jazz':1 'jb':8 'oldies':3 'prerock':7 't':6
                                    'search_combo'  'baker':7B 'beat':23 'bebop':21 'chet':6B 'cool':22 'country':16 'exotica':14 'for':2A 'isn':8C,17 'isnt':10C 'it':11C 'jazz':13 'jb':20 'lining':5A 'look':1A 'oldies':15 'prerock':19 'romantic':12C 'silver':4A 't':9C,18 'the':3A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['vocal jazz', 'blues', 'jazz', 'trumpet', 'cool jazz']
                                        'tag_date'  1989
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620523995.7163937  (2021-05-09 03:33:15)
                             'size'  9743801