======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '238'
                                          'artist'  'Charlie Rouse'
                                     'text_people'  ''
                                         'release'  'Out Of The Cool'
                                           'title'  'Back To The Tropics'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-2', 'q-chart-2', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['jazz', 'saxophone', 'hard bop', 'tenor sax', 'blue note']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '108.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Out Of The Cool'
'TBPM' (BPM (beats per minute))                     '108.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         'Back To The Tropics'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '000000237971'
'TPE1' (Lead performer(s)/Soloist(s))               'Charlie Rouse'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz', 'saxophone', 'hard bop', 'tenor sax', 'blue note']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.835497'

========================== row from database ==========================
                                              'id'  1499933
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/VV.AA. Out of the Cool. Vol. 01/13 - Charlie Rouse - Back To The Tropics [__Bossa Nova Bacchanal__ Blue Note BLP 4119].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  238
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  9523480
                                           'mtime'  1620539133
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm VV.AA. of the Cool. Vol. 01 13 [__Bossa Nova Bacchanal__ Blue Note BLP 4119] prerock jb jazz unsorted
                                      'tag_artist'  Charlie Rouse
                                     'tag_release'  Out Of The Cool
                                       'tag_title'  Back To The Tropics
                                             'bpm'  108.7
                                    'search_title'  'back':1 'the':3 'to':2 'tropics':4
                                   'search_artist'  'charlie':1 'rouse':2
                                  'search_release'  'cool':4 'of':2 'out':1 'the':3
                                     'search_rest'  '4119':17,18 'aa':2 'bacchanal':13 'blp':16 'blue':14 'bossa':10,11 'cool':6,7 'jazz':21 'jb':20 'note':15 'nova':12 'of':4 'prerock':19 'the':5 'unsorted':22 'vol':8,9 'vv':1 'vvaa':3
                                    'search_combo'  '4119':27,28 'aa':12 'bacchanal':23 'back':1A 'blp':26 'blue':24 'bossa':20,21 'charlie':5B 'cool':10C,16,17 'jazz':31 'jb':30 'note':25 'nova':22 'of':8C,14 'out':7C 'prerock':29 'rouse':6B 'the':3A,9C,15 'to':2A 'tropics':4A 'unsorted':32 'vol':18,19 'vv':11 'vvaa':13
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'saxophone', 'hard bop', 'tenor sax', 'blue note']
                                        'tag_date'  1962
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620539133.221618  (2021-05-09 07:45:33)
                             'size'  9523480