======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '282'
                                          'artist'  'Sonny Rollins'
                                     'text_people'  ''
                                         'release'  'Out Of The Cool'
                                           'title'  'Bluesongo'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hard bop', 'instrumental', 'jazz', 'saxophone', 'bebop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '138.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Out Of The Cool'
'TBPM' (BPM (beats per minute))                     '138.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         'Bluesongo'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '000000282864'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonny Rollins'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['hard bop', 'instrumental', 'jazz', 'saxophone', 'bebop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.39 dB'
'TXXX:replaygain_track_peak'                        '0.707438'

========================== row from database ==========================
                                              'id'  1518346
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/VV.AA. Out of the Cool. Vol. 01/04 - Sonny Rollins - Bluesongo [__What_s New___ RCA Victor LPM 2572].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  282
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  11318577
                                           'mtime'  1620539126
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm VV.AA. of the Cool. Vol. 01 04 [__What_s New___ RCA Victor LPM 2572] prerock jb jazz unsorted
                                      'tag_artist'  Sonny Rollins
                                     'tag_release'  Out Of The Cool
                                       'tag_title'  Bluesongo
                                             'bpm'  138.3
                                    'search_title'  'bluesongo':1
                                   'search_artist'  'rollins':2 'sonny':1
                                  'search_release'  'cool':4 'of':2 'out':1 'the':3
                                     'search_rest'  '2572':18,19 'aa':2 'cool':6,7 'jazz':22 'jb':21 'lpm':17 'new':14 'of':4 'prerock':20 'rca':15 's':11,13 'the':5 'unsorted':23 'victor':16 'vol':8,9 'vv':1 'vvaa':3 'what':10,12
                                    'search_combo'  '2572':25,26 'aa':9 'bluesongo':1A 'cool':7C,13,14 'jazz':29 'jb':28 'lpm':24 'new':21 'of':5C,11 'out':4C 'prerock':27 'rca':22 'rollins':3B 's':18,20 'sonny':2B 'the':6C,12 'unsorted':30 'victor':23 'vol':15,16 'vv':8 'vvaa':10 'what':17,19
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['hard bop', 'instrumental', 'jazz', 'saxophone', 'bebop']
                                        'tag_date'  1962
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620539126.275507  (2021-05-09 07:45:26)
                             'size'  11318577