======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '359'
                                          'artist'  'Charlie Rouse'
                                     'text_people'  ''
                                         'release'  'Out Of The Cool, Too'
                                           'title'  'Meci Bon Dieu'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-2', 'q-other-4', "
 "'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'  '03'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '113.1'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Out Of The Cool, Too'
'TBPM' (BPM (beats per minute))                     '113.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         'Meci Bon Dieu'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '000000359038'
'TPE1' (Lead performer(s)/Soloist(s))               'Charlie Rouse'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'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'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.840042'

========================== row from database ==========================
                                              'id'  1502935
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bossa 3 - VV.AA. Out of the Cool. Vol. 02/03 - Charlie Rouse - Meci Bon Dieu [__Bossa Nova Bacchanal__ Blue Note BLP 4119].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  359
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  14365461
                                           'mtime'  1620528299
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Bossa 3 VV.AA. of the Cool. Vol. 02 03 [__Bossa Nova Bacchanal__ Blue Note BLP 4119] prerock jb jazz unsorted
                                      'tag_artist'  Charlie Rouse
                                     'tag_release'  Out Of The Cool, Too
                                       'tag_title'  Meci Bon Dieu
                                             'bpm'  113.1
                                    'search_title'  'bon':2 'dieu':3 'meci':1
                                   'search_artist'  'charlie':1 'rouse':2
                                  'search_release'  'cool':4,5 'of':2 'out':1 'the':3 'too':6
                                     'search_rest'  '3':6 '4119':23,24 'aa':8 'bacchanal':19 'blp':22 'blue':20 'bossa':5,16,17 'cool':12,13 'country':4 'exotica':2 'jazz':1 'jb':26 'note':21 'nova':18 'of':10 'oldies':3 'prerock':25 'the':11 'unsorted':27 'vol':14,15 'vv':7 'vvaa':9
                                    'search_combo'  '3':17 '4119':34,35 'aa':19 'bacchanal':30 'blp':33 'blue':31 'bon':2A 'bossa':16,27,28 'charlie':4B 'cool':9C,10C,23,24 'country':15 'dieu':3A 'exotica':13 'jazz':12 'jb':37 'meci':1A 'note':32 'nova':29 'of':7C,21 'oldies':14 'out':6C 'prerock':36 'rouse':5B 'the':8C,22 'too':11C 'unsorted':38 'vol':25,26 'vv':18 'vvaa':20
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', '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'  1620528298.9384456  (2021-05-09 04:44:58)
                             'size'  14365461